Home / 745,006.95-1,117,530.95-272,044.71

Finding the Fourth Proportional to 745,006.95, 1,117,530.95 and 272,044.71

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Solution

The fourth proportional to 745,006.95, 1,117,530.95 and 272,044.71 is: 408,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,006.95 : 1,117,530.95 = 272,044.71 : x
  2. Step 2: Convert to fraction form
    745,006.95/1,117,530.95 = 272,044.71/x
  3. Step 3: Cross multiply
    745,006.95x = 1,117,530.95 × 272,044.71
  4. Step 4: Simplify right side
    745,006.95x = 304,018,381,848.55
  5. Step 5: Solve for x
    x = 304,018,381,848.55/745,006.95
  6. Step 6: Final answer
    x = 408,074.56

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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.