Home / 905,313.60-1,359,007.20-531,547.20

Finding the Fourth Proportional to 905,313.60, 1,359,007.20 and 531,547.20

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Solution

The fourth proportional to 905,313.60, 1,359,007.20 and 531,547.20 is: 797,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,313.60 : 1,359,007.20 = 531,547.20 : x
  2. Step 2: Convert to fraction form
    905,313.60/1,359,007.20 = 531,547.20/x
  3. Step 3: Cross multiply
    905,313.60x = 1,359,007.20 × 531,547.20
  4. Step 4: Simplify right side
    905,313.60x = 722,376,471,939.84
  5. Step 5: Solve for x
    x = 722,376,471,939.84/905,313.60
  6. Step 6: Final answer
    x = 797,929.55

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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.