Home / 779,548.95-1,162,117.52-767,264.53

Finding the Fourth Proportional to 779,548.95, 1,162,117.52 and 767,264.53

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Solution

The fourth proportional to 779,548.95, 1,162,117.52 and 767,264.53 is: 1,143,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,548.95 : 1,162,117.52 = 767,264.53 : x
  2. Step 2: Convert to fraction form
    779,548.95/1,162,117.52 = 767,264.53/x
  3. Step 3: Cross multiply
    779,548.95x = 1,162,117.52 × 767,264.53
  4. Step 4: Simplify right side
    779,548.95x = 891,651,552,787.57
  5. Step 5: Solve for x
    x = 891,651,552,787.57/779,548.95
  6. Step 6: Final answer
    x = 1,143,804.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.