Home / 718,740.06-1,077,044.95-291,756.30

Finding the Fourth Proportional to 718,740.06, 1,077,044.95 and 291,756.30

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Solution

The fourth proportional to 718,740.06, 1,077,044.95 and 291,756.30 is: 437,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,740.06 : 1,077,044.95 = 291,756.30 : x
  2. Step 2: Convert to fraction form
    718,740.06/1,077,044.95 = 291,756.30/x
  3. Step 3: Cross multiply
    718,740.06x = 1,077,044.95 × 291,756.30
  4. Step 4: Simplify right side
    718,740.06x = 314,234,649,545.69
  5. Step 5: Solve for x
    x = 314,234,649,545.69/718,740.06
  6. Step 6: Final answer
    x = 437,202.08

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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.