Home / 874,844.52-1,207,285.40-472,436.52

Finding the Fourth Proportional to 874,844.52, 1,207,285.40 and 472,436.52

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Solution

The fourth proportional to 874,844.52, 1,207,285.40 and 472,436.52 is: 651,962.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,844.52 : 1,207,285.40 = 472,436.52 : x
  2. Step 2: Convert to fraction form
    874,844.52/1,207,285.40 = 472,436.52/x
  3. Step 3: Cross multiply
    874,844.52x = 1,207,285.40 × 472,436.52
  4. Step 4: Simplify right side
    874,844.52x = 570,365,713,022.81
  5. Step 5: Solve for x
    x = 570,365,713,022.81/874,844.52
  6. Step 6: Final answer
    x = 651,962.38

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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.