Home / 851,541.38-1,175,155.47-464,377.98

Finding the Fourth Proportional to 851,541.38, 1,175,155.47 and 464,377.98

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Solution

The fourth proportional to 851,541.38, 1,175,155.47 and 464,377.98 is: 640,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,541.38 : 1,175,155.47 = 464,377.98 : x
  2. Step 2: Convert to fraction form
    851,541.38/1,175,155.47 = 464,377.98/x
  3. Step 3: Cross multiply
    851,541.38x = 1,175,155.47 × 464,377.98
  4. Step 4: Simplify right side
    851,541.38x = 545,716,329,928.16
  5. Step 5: Solve for x
    x = 545,716,329,928.16/851,541.38
  6. Step 6: Final answer
    x = 640,857.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.