Home / 898,290.43-1,347,359.74-291,065.89

Finding the Fourth Proportional to 898,290.43, 1,347,359.74 and 291,065.89

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Solution

The fourth proportional to 898,290.43, 1,347,359.74 and 291,065.89 is: 436,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,290.43 : 1,347,359.74 = 291,065.89 : x
  2. Step 2: Convert to fraction form
    898,290.43/1,347,359.74 = 291,065.89/x
  3. Step 3: Cross multiply
    898,290.43x = 1,347,359.74 × 291,065.89
  4. Step 4: Simplify right side
    898,290.43x = 392,170,461,873.27
  5. Step 5: Solve for x
    x = 392,170,461,873.27/898,290.43
  6. Step 6: Final answer
    x = 436,574.24

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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.