Home / 788,507.83-1,088,141.25-425,931.70

Finding the Fourth Proportional to 788,507.83, 1,088,141.25 and 425,931.70

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Solution

The fourth proportional to 788,507.83, 1,088,141.25 and 425,931.70 is: 587,785.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,507.83 : 1,088,141.25 = 425,931.70 : x
  2. Step 2: Convert to fraction form
    788,507.83/1,088,141.25 = 425,931.70/x
  3. Step 3: Cross multiply
    788,507.83x = 1,088,141.25 × 425,931.70
  4. Step 4: Simplify right side
    788,507.83x = 463,473,852,452.63
  5. Step 5: Solve for x
    x = 463,473,852,452.63/788,507.83
  6. Step 6: Final answer
    x = 587,785.99

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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.