Home / 971,931.20-1,457,378.40-410,331.20

Finding the Fourth Proportional to 971,931.20, 1,457,378.40 and 410,331.20

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Solution

The fourth proportional to 971,931.20, 1,457,378.40 and 410,331.20 is: 615,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,931.20 : 1,457,378.40 = 410,331.20 : x
  2. Step 2: Convert to fraction form
    971,931.20/1,457,378.40 = 410,331.20/x
  3. Step 3: Cross multiply
    971,931.20x = 1,457,378.40 × 410,331.20
  4. Step 4: Simplify right side
    971,931.20x = 598,007,827,726.08
  5. Step 5: Solve for x
    x = 598,007,827,726.08/971,931.20
  6. Step 6: Final answer
    x = 615,277.94

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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.