Home / 810,585.68-1,118,666.15-448,001.73

Finding the Fourth Proportional to 810,585.68, 1,118,666.15 and 448,001.73

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Solution

The fourth proportional to 810,585.68, 1,118,666.15 and 448,001.73 is: 618,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,585.68 : 1,118,666.15 = 448,001.73 : x
  2. Step 2: Convert to fraction form
    810,585.68/1,118,666.15 = 448,001.73/x
  3. Step 3: Cross multiply
    810,585.68x = 1,118,666.15 × 448,001.73
  4. Step 4: Simplify right side
    810,585.68x = 501,164,369,932.44
  5. Step 5: Solve for x
    x = 501,164,369,932.44/810,585.68
  6. Step 6: Final answer
    x = 618,274.40

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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.