Home / 908,388.30-1,362,254.40-458,959.80

Finding the Fourth Proportional to 908,388.30, 1,362,254.40 and 458,959.80

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Solution

The fourth proportional to 908,388.30, 1,362,254.40 and 458,959.80 is: 688,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,388.30 : 1,362,254.40 = 458,959.80 : x
  2. Step 2: Convert to fraction form
    908,388.30/1,362,254.40 = 458,959.80/x
  3. Step 3: Cross multiply
    908,388.30x = 1,362,254.40 × 458,959.80
  4. Step 4: Simplify right side
    908,388.30x = 625,220,006,973.12
  5. Step 5: Solve for x
    x = 625,220,006,973.12/908,388.30
  6. Step 6: Final answer
    x = 688,273.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.