Home / 915,715.66-1,373,386.38-346,900.66

Finding the Fourth Proportional to 915,715.66, 1,373,386.38 and 346,900.66

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Solution

The fourth proportional to 915,715.66, 1,373,386.38 and 346,900.66 is: 520,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,715.66 : 1,373,386.38 = 346,900.66 : x
  2. Step 2: Convert to fraction form
    915,715.66/1,373,386.38 = 346,900.66/x
  3. Step 3: Cross multiply
    915,715.66x = 1,373,386.38 × 346,900.66
  4. Step 4: Simplify right side
    915,715.66x = 476,428,641,657.01
  5. Step 5: Solve for x
    x = 476,428,641,657.01/915,715.66
  6. Step 6: Final answer
    x = 520,280.11

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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.