Home / 854,477.10-1,179,155.07-472,490.82

Finding the Fourth Proportional to 854,477.10, 1,179,155.07 and 472,490.82

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Solution

The fourth proportional to 854,477.10, 1,179,155.07 and 472,490.82 is: 652,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,477.10 : 1,179,155.07 = 472,490.82 : x
  2. Step 2: Convert to fraction form
    854,477.10/1,179,155.07 = 472,490.82/x
  3. Step 3: Cross multiply
    854,477.10x = 1,179,155.07 × 472,490.82
  4. Step 4: Simplify right side
    854,477.10x = 557,139,945,931.46
  5. Step 5: Solve for x
    x = 557,139,945,931.46/854,477.10
  6. Step 6: Final answer
    x = 652,024.43

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Double scale
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1.5x scale

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.