Home / 779,935.13-1,169,127.67-542,779.58

Finding the Fourth Proportional to 779,935.13, 1,169,127.67 and 542,779.58

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Solution

The fourth proportional to 779,935.13, 1,169,127.67 and 542,779.58 is: 813,630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,935.13 : 1,169,127.67 = 542,779.58 : x
  2. Step 2: Convert to fraction form
    779,935.13/1,169,127.67 = 542,779.58/x
  3. Step 3: Cross multiply
    779,935.13x = 1,169,127.67 × 542,779.58
  4. Step 4: Simplify right side
    779,935.13x = 634,578,617,129.44
  5. Step 5: Solve for x
    x = 634,578,617,129.44/779,935.13
  6. Step 6: Final answer
    x = 813,630.00

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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.