Home / 890,397.66-1,336,034.96-417,001.26

Finding the Fourth Proportional to 890,397.66, 1,336,034.96 and 417,001.26

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Solution

The fourth proportional to 890,397.66, 1,336,034.96 and 417,001.26 is: 625,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,397.66 : 1,336,034.96 = 417,001.26 : x
  2. Step 2: Convert to fraction form
    890,397.66/1,336,034.96 = 417,001.26/x
  3. Step 3: Cross multiply
    890,397.66x = 1,336,034.96 × 417,001.26
  4. Step 4: Simplify right side
    890,397.66x = 557,128,261,724.05
  5. Step 5: Solve for x
    x = 557,128,261,724.05/890,397.66
  6. Step 6: Final answer
    x = 625,707.24

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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.