Home / 898,287.23-1,240,080.93-554,312.62

Finding the Fourth Proportional to 898,287.23, 1,240,080.93 and 554,312.62

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Solution

The fourth proportional to 898,287.23, 1,240,080.93 and 554,312.62 is: 765,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,287.23 : 1,240,080.93 = 554,312.62 : x
  2. Step 2: Convert to fraction form
    898,287.23/1,240,080.93 = 554,312.62/x
  3. Step 3: Cross multiply
    898,287.23x = 1,240,080.93 × 554,312.62
  4. Step 4: Simplify right side
    898,287.23x = 687,392,503,119.93
  5. Step 5: Solve for x
    x = 687,392,503,119.93/898,287.23
  6. Step 6: Final answer
    x = 765,225.73

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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.