Home / 478,211.16-659,733.30-284,580.06

Finding the Fourth Proportional to 478,211.16, 659,733.30 and 284,580.06

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Solution

The fourth proportional to 478,211.16, 659,733.30 and 284,580.06 is: 392,602.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,211.16 : 659,733.30 = 284,580.06 : x
  2. Step 2: Convert to fraction form
    478,211.16/659,733.30 = 284,580.06/x
  3. Step 3: Cross multiply
    478,211.16x = 659,733.30 × 284,580.06
  4. Step 4: Simplify right side
    478,211.16x = 187,746,942,098.00
  5. Step 5: Solve for x
    x = 187,746,942,098.00/478,211.16
  6. Step 6: Final answer
    x = 392,602.59

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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.