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Finding the Fourth Proportional to 587,287.80, 880,931.70 and 517,246.20

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Solution

The fourth proportional to 587,287.80, 880,931.70 and 517,246.20 is: 775,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,287.80 : 880,931.70 = 517,246.20 : x
  2. Step 2: Convert to fraction form
    587,287.80/880,931.70 = 517,246.20/x
  3. Step 3: Cross multiply
    587,287.80x = 880,931.70 × 517,246.20
  4. Step 4: Simplify right side
    587,287.80x = 455,658,574,284.54
  5. Step 5: Solve for x
    x = 455,658,574,284.54/587,287.80
  6. Step 6: Final answer
    x = 775,869.30

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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.