Home / 718,373.10-1,076,832.02-465,813.78

Finding the Fourth Proportional to 718,373.10, 1,076,832.02 and 465,813.78

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Solution

The fourth proportional to 718,373.10, 1,076,832.02 and 465,813.78 is: 698,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,373.10 : 1,076,832.02 = 465,813.78 : x
  2. Step 2: Convert to fraction form
    718,373.10/1,076,832.02 = 465,813.78/x
  3. Step 3: Cross multiply
    718,373.10x = 1,076,832.02 × 465,813.78
  4. Step 4: Simplify right side
    718,373.10x = 501,603,191,332.17
  5. Step 5: Solve for x
    x = 501,603,191,332.17/718,373.10
  6. Step 6: Final answer
    x = 698,248.85

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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.