Home / 874,965.28-1,312,557.36-342,417.52

Finding the Fourth Proportional to 874,965.28, 1,312,557.36 and 342,417.52

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Solution

The fourth proportional to 874,965.28, 1,312,557.36 and 342,417.52 is: 513,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,965.28 : 1,312,557.36 = 342,417.52 : x
  2. Step 2: Convert to fraction form
    874,965.28/1,312,557.36 = 342,417.52/x
  3. Step 3: Cross multiply
    874,965.28x = 1,312,557.36 × 342,417.52
  4. Step 4: Simplify right side
    874,965.28x = 449,442,636,068.95
  5. Step 5: Solve for x
    x = 449,442,636,068.95/874,965.28
  6. Step 6: Final answer
    x = 513,669.11

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