Home / 749,159.69-1,123,905.93-349,582.48

Finding the Fourth Proportional to 749,159.69, 1,123,905.93 and 349,582.48

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Solution

The fourth proportional to 749,159.69, 1,123,905.93 and 349,582.48 is: 524,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,159.69 : 1,123,905.93 = 349,582.48 : x
  2. Step 2: Convert to fraction form
    749,159.69/1,123,905.93 = 349,582.48/x
  3. Step 3: Cross multiply
    749,159.69x = 1,123,905.93 × 349,582.48
  4. Step 4: Simplify right side
    749,159.69x = 392,897,826,463.78
  5. Step 5: Solve for x
    x = 392,897,826,463.78/749,159.69
  6. Step 6: Final answer
    x = 524,451.37

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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.