Home / 897,721.28-1,238,854.85-575,431.14

Finding the Fourth Proportional to 897,721.28, 1,238,854.85 and 575,431.14

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Solution

The fourth proportional to 897,721.28, 1,238,854.85 and 575,431.14 is: 794,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,721.28 : 1,238,854.85 = 575,431.14 : x
  2. Step 2: Convert to fraction form
    897,721.28/1,238,854.85 = 575,431.14/x
  3. Step 3: Cross multiply
    897,721.28x = 1,238,854.85 × 575,431.14
  4. Step 4: Simplify right side
    897,721.28x = 712,875,658,824.69
  5. Step 5: Solve for x
    x = 712,875,658,824.69/897,721.28
  6. Step 6: Final answer
    x = 794,094.64

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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.