Home / 976,691.12-1,347,848.91-562,999.61

Finding the Fourth Proportional to 976,691.12, 1,347,848.91 and 562,999.61

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Solution

The fourth proportional to 976,691.12, 1,347,848.91 and 562,999.61 is: 776,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,691.12 : 1,347,848.91 = 562,999.61 : x
  2. Step 2: Convert to fraction form
    976,691.12/1,347,848.91 = 562,999.61/x
  3. Step 3: Cross multiply
    976,691.12x = 1,347,848.91 × 562,999.61
  4. Step 4: Simplify right side
    976,691.12x = 758,838,414,038.55
  5. Step 5: Solve for x
    x = 758,838,414,038.55/976,691.12
  6. Step 6: Final answer
    x = 776,948.21

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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.