Home / 935,871.90-1,291,503.21-506,152.02

Finding the Fourth Proportional to 935,871.90, 1,291,503.21 and 506,152.02

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Solution

The fourth proportional to 935,871.90, 1,291,503.21 and 506,152.02 is: 698,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,871.90 : 1,291,503.21 = 506,152.02 : x
  2. Step 2: Convert to fraction form
    935,871.90/1,291,503.21 = 506,152.02/x
  3. Step 3: Cross multiply
    935,871.90x = 1,291,503.21 × 506,152.02
  4. Step 4: Simplify right side
    935,871.90x = 653,696,958,577.98
  5. Step 5: Solve for x
    x = 653,696,958,577.98/935,871.90
  6. Step 6: Final answer
    x = 698,489.78

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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.