Home / 749,366.47-1,123,599.53-344,051.47

Finding the Fourth Proportional to 749,366.47, 1,123,599.53 and 344,051.47

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Solution

The fourth proportional to 749,366.47, 1,123,599.53 and 344,051.47 is: 515,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,366.47 : 1,123,599.53 = 344,051.47 : x
  2. Step 2: Convert to fraction form
    749,366.47/1,123,599.53 = 344,051.47/x
  3. Step 3: Cross multiply
    749,366.47x = 1,123,599.53 × 344,051.47
  4. Step 4: Simplify right side
    749,366.47x = 386,576,068,267.55
  5. Step 5: Solve for x
    x = 386,576,068,267.55/749,366.47
  6. Step 6: Final answer
    x = 515,870.52

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1.5x scale

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.