Home / 887,803.02-1,330,873.20-432,294.66

Finding the Fourth Proportional to 887,803.02, 1,330,873.20 and 432,294.66

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Solution

The fourth proportional to 887,803.02, 1,330,873.20 and 432,294.66 is: 648,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,803.02 : 1,330,873.20 = 432,294.66 : x
  2. Step 2: Convert to fraction form
    887,803.02/1,330,873.20 = 432,294.66/x
  3. Step 3: Cross multiply
    887,803.02x = 1,330,873.20 × 432,294.66
  4. Step 4: Simplify right side
    887,803.02x = 575,329,377,497.11
  5. Step 5: Solve for x
    x = 575,329,377,497.11/887,803.02
  6. Step 6: Final answer
    x = 648,037.19

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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.