Home / 716,897.43-989,181.81-458,576.55

Finding the Fourth Proportional to 716,897.43, 989,181.81 and 458,576.55

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Solution

The fourth proportional to 716,897.43, 989,181.81 and 458,576.55 is: 632,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,897.43 : 989,181.81 = 458,576.55 : x
  2. Step 2: Convert to fraction form
    716,897.43/989,181.81 = 458,576.55/x
  3. Step 3: Cross multiply
    716,897.43x = 989,181.81 × 458,576.55
  4. Step 4: Simplify right side
    716,897.43x = 453,615,581,752.56
  5. Step 5: Solve for x
    x = 453,615,581,752.56/716,897.43
  6. Step 6: Final answer
    x = 632,748.23

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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.