Home / 803,643.60-1,205,027.40-242,605.20

Finding the Fourth Proportional to 803,643.60, 1,205,027.40 and 242,605.20

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Solution

The fourth proportional to 803,643.60, 1,205,027.40 and 242,605.20 is: 363,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,643.60 : 1,205,027.40 = 242,605.20 : x
  2. Step 2: Convert to fraction form
    803,643.60/1,205,027.40 = 242,605.20/x
  3. Step 3: Cross multiply
    803,643.60x = 1,205,027.40 × 242,605.20
  4. Step 4: Simplify right side
    803,643.60x = 292,345,913,382.48
  5. Step 5: Solve for x
    x = 292,345,913,382.48/803,643.60
  6. Step 6: Final answer
    x = 363,775.58

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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.