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Finding the Fourth Proportional to 561,952.20, 842,928.30 and 510,776.40

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Solution

The fourth proportional to 561,952.20, 842,928.30 and 510,776.40 is: 766,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,952.20 : 842,928.30 = 510,776.40 : x
  2. Step 2: Convert to fraction form
    561,952.20/842,928.30 = 510,776.40/x
  3. Step 3: Cross multiply
    561,952.20x = 842,928.30 × 510,776.40
  4. Step 4: Simplify right side
    561,952.20x = 430,547,882,532.12
  5. Step 5: Solve for x
    x = 430,547,882,532.12/561,952.20
  6. Step 6: Final answer
    x = 766,164.60

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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.