Home / 875,358.14-1,208,003.46-493,384.91

Finding the Fourth Proportional to 875,358.14, 1,208,003.46 and 493,384.91

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Solution

The fourth proportional to 875,358.14, 1,208,003.46 and 493,384.91 is: 680,876.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,358.14 : 1,208,003.46 = 493,384.91 : x
  2. Step 2: Convert to fraction form
    875,358.14/1,208,003.46 = 493,384.91/x
  3. Step 3: Cross multiply
    875,358.14x = 1,208,003.46 × 493,384.91
  4. Step 4: Simplify right side
    875,358.14x = 596,010,678,391.79
  5. Step 5: Solve for x
    x = 596,010,678,391.79/875,358.14
  6. Step 6: Final answer
    x = 680,876.38

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Double scale
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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.