Home / 898,458.23-1,239,862.96-490,558.81

Finding the Fourth Proportional to 898,458.23, 1,239,862.96 and 490,558.81

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Solution

The fourth proportional to 898,458.23, 1,239,862.96 and 490,558.81 is: 676,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,458.23 : 1,239,862.96 = 490,558.81 : x
  2. Step 2: Convert to fraction form
    898,458.23/1,239,862.96 = 490,558.81/x
  3. Step 3: Cross multiply
    898,458.23x = 1,239,862.96 × 490,558.81
  4. Step 4: Simplify right side
    898,458.23x = 608,225,695,261.67
  5. Step 5: Solve for x
    x = 608,225,695,261.67/898,458.23
  6. Step 6: Final answer
    x = 676,966.03

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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.