Home / 713,471.93-1,068,782.01-429,006.75

Finding the Fourth Proportional to 713,471.93, 1,068,782.01 and 429,006.75

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Solution

The fourth proportional to 713,471.93, 1,068,782.01 and 429,006.75 is: 642,652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,471.93 : 1,068,782.01 = 429,006.75 : x
  2. Step 2: Convert to fraction form
    713,471.93/1,068,782.01 = 429,006.75/x
  3. Step 3: Cross multiply
    713,471.93x = 1,068,782.01 × 429,006.75
  4. Step 4: Simplify right side
    713,471.93x = 458,514,696,568.57
  5. Step 5: Solve for x
    x = 458,514,696,568.57/713,471.93
  6. Step 6: Final answer
    x = 642,652.75

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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.