Home / 765,926.88-1,057,139.28-460,017.48

Finding the Fourth Proportional to 765,926.88, 1,057,139.28 and 460,017.48

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Solution

The fourth proportional to 765,926.88, 1,057,139.28 and 460,017.48 is: 634,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,926.88 : 1,057,139.28 = 460,017.48 : x
  2. Step 2: Convert to fraction form
    765,926.88/1,057,139.28 = 460,017.48/x
  3. Step 3: Cross multiply
    765,926.88x = 1,057,139.28 × 460,017.48
  4. Step 4: Simplify right side
    765,926.88x = 486,302,547,594.61
  5. Step 5: Solve for x
    x = 486,302,547,594.61/765,926.88
  6. Step 6: Final answer
    x = 634,920.33

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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.