Home / 763,254.02-1,145,013.00-257,818.68

Finding the Fourth Proportional to 763,254.02, 1,145,013.00 and 257,818.68

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Solution

The fourth proportional to 763,254.02, 1,145,013.00 and 257,818.68 is: 386,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,254.02 : 1,145,013.00 = 257,818.68 : x
  2. Step 2: Convert to fraction form
    763,254.02/1,145,013.00 = 257,818.68/x
  3. Step 3: Cross multiply
    763,254.02x = 1,145,013.00 × 257,818.68
  4. Step 4: Simplify right side
    763,254.02x = 295,205,739,276.02
  5. Step 5: Solve for x
    x = 295,205,739,276.02/763,254.02
  6. Step 6: Final answer
    x = 386,772.60

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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.