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Finding the Fourth Proportional to 566,565.80, 849,848.70 and 342,179.60

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Solution

The fourth proportional to 566,565.80, 849,848.70 and 342,179.60 is: 513,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,565.80 : 849,848.70 = 342,179.60 : x
  2. Step 2: Convert to fraction form
    566,565.80/849,848.70 = 342,179.60/x
  3. Step 3: Cross multiply
    566,565.80x = 849,848.70 × 342,179.60
  4. Step 4: Simplify right side
    566,565.80x = 290,800,888,226.52
  5. Step 5: Solve for x
    x = 290,800,888,226.52/566,565.80
  6. Step 6: Final answer
    x = 513,269.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.