Home / 899,115.14-1,349,336.34-425,799.74

Finding the Fourth Proportional to 899,115.14, 1,349,336.34 and 425,799.74

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Solution

The fourth proportional to 899,115.14, 1,349,336.34 and 425,799.74 is: 639,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,115.14 : 1,349,336.34 = 425,799.74 : x
  2. Step 2: Convert to fraction form
    899,115.14/1,349,336.34 = 425,799.74/x
  3. Step 3: Cross multiply
    899,115.14x = 1,349,336.34 × 425,799.74
  4. Step 4: Simplify right side
    899,115.14x = 574,547,062,744.55
  5. Step 5: Solve for x
    x = 574,547,062,744.55/899,115.14
  6. Step 6: Final answer
    x = 639,013.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.