Home / 908,686.04-1,253,995.28-500,802.56

Finding the Fourth Proportional to 908,686.04, 1,253,995.28 and 500,802.56

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Solution

The fourth proportional to 908,686.04, 1,253,995.28 and 500,802.56 is: 691,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,686.04 : 1,253,995.28 = 500,802.56 : x
  2. Step 2: Convert to fraction form
    908,686.04/1,253,995.28 = 500,802.56/x
  3. Step 3: Cross multiply
    908,686.04x = 1,253,995.28 × 500,802.56
  4. Step 4: Simplify right side
    908,686.04x = 628,004,046,451.92
  5. Step 5: Solve for x
    x = 628,004,046,451.92/908,686.04
  6. Step 6: Final answer
    x = 691,112.24

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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.