Home / 917,113.30-1,374,503.55-442,777.30

Finding the Fourth Proportional to 917,113.30, 1,374,503.55 and 442,777.30

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Solution

The fourth proportional to 917,113.30, 1,374,503.55 and 442,777.30 is: 663,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,113.30 : 1,374,503.55 = 442,777.30 : x
  2. Step 2: Convert to fraction form
    917,113.30/1,374,503.55 = 442,777.30/x
  3. Step 3: Cross multiply
    917,113.30x = 1,374,503.55 × 442,777.30
  4. Step 4: Simplify right side
    917,113.30x = 608,598,970,709.42
  5. Step 5: Solve for x
    x = 608,598,970,709.42/917,113.30
  6. Step 6: Final answer
    x = 663,602.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.