Home / 652,035.84-899,935.20-425,287.68

Finding the Fourth Proportional to 652,035.84, 899,935.20 and 425,287.68

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Solution

The fourth proportional to 652,035.84, 899,935.20 and 425,287.68 is: 586,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,035.84 : 899,935.20 = 425,287.68 : x
  2. Step 2: Convert to fraction form
    652,035.84/899,935.20 = 425,287.68/x
  3. Step 3: Cross multiply
    652,035.84x = 899,935.20 × 425,287.68
  4. Step 4: Simplify right side
    652,035.84x = 382,731,353,358.34
  5. Step 5: Solve for x
    x = 382,731,353,358.34/652,035.84
  6. Step 6: Final answer
    x = 586,979.01

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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.