Home / 972,001.20-1,457,483.40-410,401.20

Finding the Fourth Proportional to 972,001.20, 1,457,483.40 and 410,401.20

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Solution

The fourth proportional to 972,001.20, 1,457,483.40 and 410,401.20 is: 615,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,001.20 : 1,457,483.40 = 410,401.20 : x
  2. Step 2: Convert to fraction form
    972,001.20/1,457,483.40 = 410,401.20/x
  3. Step 3: Cross multiply
    972,001.20x = 1,457,483.40 × 410,401.20
  4. Step 4: Simplify right side
    972,001.20x = 598,152,936,340.08
  5. Step 5: Solve for x
    x = 598,152,936,340.08/972,001.20
  6. Step 6: Final answer
    x = 615,382.92

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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.