Home / 988,298.47-1,363,853.07-535,589.47

Finding the Fourth Proportional to 988,298.47, 1,363,853.07 and 535,589.47

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Solution

The fourth proportional to 988,298.47, 1,363,853.07 and 535,589.47 is: 739,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,298.47 : 1,363,853.07 = 535,589.47 : x
  2. Step 2: Convert to fraction form
    988,298.47/1,363,853.07 = 535,589.47/x
  3. Step 3: Cross multiply
    988,298.47x = 1,363,853.07 × 535,589.47
  4. Step 4: Simplify right side
    988,298.47x = 730,465,342,919.17
  5. Step 5: Solve for x
    x = 730,465,342,919.17/988,298.47
  6. Step 6: Final answer
    x = 739,114.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.