Home / 779,966.16-1,169,174.16-542,810.58

Finding the Fourth Proportional to 779,966.16, 1,169,174.16 and 542,810.58

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Solution

The fourth proportional to 779,966.16, 1,169,174.16 and 542,810.58 is: 813,676.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,966.16 : 1,169,174.16 = 542,810.58 : x
  2. Step 2: Convert to fraction form
    779,966.16/1,169,174.16 = 542,810.58/x
  3. Step 3: Cross multiply
    779,966.16x = 1,169,174.16 × 542,810.58
  4. Step 4: Simplify right side
    779,966.16x = 634,640,103,910.61
  5. Step 5: Solve for x
    x = 634,640,103,910.61/779,966.16
  6. Step 6: Final answer
    x = 813,676.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.