Home / 770,167.85-1,062,838.56-425,985.68

Finding the Fourth Proportional to 770,167.85, 1,062,838.56 and 425,985.68

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Solution

The fourth proportional to 770,167.85, 1,062,838.56 and 425,985.68 is: 587,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,167.85 : 1,062,838.56 = 425,985.68 : x
  2. Step 2: Convert to fraction form
    770,167.85/1,062,838.56 = 425,985.68/x
  3. Step 3: Cross multiply
    770,167.85x = 1,062,838.56 × 425,985.68
  4. Step 4: Simplify right side
    770,167.85x = 452,754,010,966.36
  5. Step 5: Solve for x
    x = 452,754,010,966.36/770,167.85
  6. Step 6: Final answer
    x = 587,864.08

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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.