Home / 745,803.40-1,118,867.10-272,488

Finding the Fourth Proportional to 745,803.40, 1,118,867.10 and 272,488

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Solution

The fourth proportional to 745,803.40, 1,118,867.10 and 272,488 is: 408,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,803.40 : 1,118,867.10 = 272,488 : x
  2. Step 2: Convert to fraction form
    745,803.40/1,118,867.10 = 272,488/x
  3. Step 3: Cross multiply
    745,803.40x = 1,118,867.10 × 272,488
  4. Step 4: Simplify right side
    745,803.40x = 304,877,858,344.80
  5. Step 5: Solve for x
    x = 304,877,858,344.80/745,803.40
  6. Step 6: Final answer
    x = 408,791.19

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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.