Home / 690,545.91-952,191.70-472,790.42

Finding the Fourth Proportional to 690,545.91, 952,191.70 and 472,790.42

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Solution

The fourth proportional to 690,545.91, 952,191.70 and 472,790.42 is: 651,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,545.91 : 952,191.70 = 472,790.42 : x
  2. Step 2: Convert to fraction form
    690,545.91/952,191.70 = 472,790.42/x
  3. Step 3: Cross multiply
    690,545.91x = 952,191.70 × 472,790.42
  4. Step 4: Simplify right side
    690,545.91x = 450,187,114,050.74
  5. Step 5: Solve for x
    x = 450,187,114,050.74/690,545.91
  6. Step 6: Final answer
    x = 651,929.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.