Home / 840,050.40-1,159,227.56-477,426.36

Finding the Fourth Proportional to 840,050.40, 1,159,227.56 and 477,426.36

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Solution

The fourth proportional to 840,050.40, 1,159,227.56 and 477,426.36 is: 658,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,050.40 : 1,159,227.56 = 477,426.36 : x
  2. Step 2: Convert to fraction form
    840,050.40/1,159,227.56 = 477,426.36/x
  3. Step 3: Cross multiply
    840,050.40x = 1,159,227.56 × 477,426.36
  4. Step 4: Simplify right side
    840,050.40x = 553,445,794,382.48
  5. Step 5: Solve for x
    x = 553,445,794,382.48/840,050.40
  6. Step 6: Final answer
    x = 658,824.51

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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.