Home / 898,569.32-1,240,090.98-516,715.88

Finding the Fourth Proportional to 898,569.32, 1,240,090.98 and 516,715.88

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Solution

The fourth proportional to 898,569.32, 1,240,090.98 and 516,715.88 is: 713,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,569.32 : 1,240,090.98 = 516,715.88 : x
  2. Step 2: Convert to fraction form
    898,569.32/1,240,090.98 = 516,715.88/x
  3. Step 3: Cross multiply
    898,569.32x = 1,240,090.98 × 516,715.88
  4. Step 4: Simplify right side
    898,569.32x = 640,774,702,010.76
  5. Step 5: Solve for x
    x = 640,774,702,010.76/898,569.32
  6. Step 6: Final answer
    x = 713,105.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.