Home / 898,530.57-1,240,022.52-490,670.46

Finding the Fourth Proportional to 898,530.57, 1,240,022.52 and 490,670.46

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Solution

The fourth proportional to 898,530.57, 1,240,022.52 and 490,670.46 is: 677,152.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,530.57 : 1,240,022.52 = 490,670.46 : x
  2. Step 2: Convert to fraction form
    898,530.57/1,240,022.52 = 490,670.46/x
  3. Step 3: Cross multiply
    898,530.57x = 1,240,022.52 × 490,670.46
  4. Step 4: Simplify right side
    898,530.57x = 608,442,420,298.76
  5. Step 5: Solve for x
    x = 608,442,420,298.76/898,530.57
  6. Step 6: Final answer
    x = 677,152.72

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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.