Home / 903,281.82-1,246,439.08-521,431.62

Finding the Fourth Proportional to 903,281.82, 1,246,439.08 and 521,431.62

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Solution

The fourth proportional to 903,281.82, 1,246,439.08 and 521,431.62 is: 719,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,281.82 : 1,246,439.08 = 521,431.62 : x
  2. Step 2: Convert to fraction form
    903,281.82/1,246,439.08 = 521,431.62/x
  3. Step 3: Cross multiply
    903,281.82x = 1,246,439.08 × 521,431.62
  4. Step 4: Simplify right side
    903,281.82x = 649,932,748,715.71
  5. Step 5: Solve for x
    x = 649,932,748,715.71/903,281.82
  6. Step 6: Final answer
    x = 719,523.78

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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.