Home / 712,565.80-1,068,848.70-239,266.60

Finding the Fourth Proportional to 712,565.80, 1,068,848.70 and 239,266.60

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Solution

The fourth proportional to 712,565.80, 1,068,848.70 and 239,266.60 is: 358,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,565.80 : 1,068,848.70 = 239,266.60 : x
  2. Step 2: Convert to fraction form
    712,565.80/1,068,848.70 = 239,266.60/x
  3. Step 3: Cross multiply
    712,565.80x = 1,068,848.70 × 239,266.60
  4. Step 4: Simplify right side
    712,565.80x = 255,739,794,363.42
  5. Step 5: Solve for x
    x = 255,739,794,363.42/712,565.80
  6. Step 6: Final answer
    x = 358,899.90

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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.