Home / 662,641.02-914,424.30-368,289.72

Finding the Fourth Proportional to 662,641.02, 914,424.30 and 368,289.72

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Solution

The fourth proportional to 662,641.02, 914,424.30 and 368,289.72 is: 508,228.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,641.02 : 914,424.30 = 368,289.72 : x
  2. Step 2: Convert to fraction form
    662,641.02/914,424.30 = 368,289.72/x
  3. Step 3: Cross multiply
    662,641.02x = 914,424.30 × 368,289.72
  4. Step 4: Simplify right side
    662,641.02x = 336,773,069,408.20
  5. Step 5: Solve for x
    x = 336,773,069,408.20/662,641.02
  6. Step 6: Final answer
    x = 508,228.53

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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.