Home / 711,652.02-981,982.77-425,111.28

Finding the Fourth Proportional to 711,652.02, 981,982.77 and 425,111.28

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Solution

The fourth proportional to 711,652.02, 981,982.77 and 425,111.28 is: 586,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,652.02 : 981,982.77 = 425,111.28 : x
  2. Step 2: Convert to fraction form
    711,652.02/981,982.77 = 425,111.28/x
  3. Step 3: Cross multiply
    711,652.02x = 981,982.77 × 425,111.28
  4. Step 4: Simplify right side
    711,652.02x = 417,451,952,292.65
  5. Step 5: Solve for x
    x = 417,451,952,292.65/711,652.02
  6. Step 6: Final answer
    x = 586,595.61

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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.