Home / 646,387.02-969,646.74-247,363.40

Finding the Fourth Proportional to 646,387.02, 969,646.74 and 247,363.40

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Solution

The fourth proportional to 646,387.02, 969,646.74 and 247,363.40 is: 371,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,387.02 : 969,646.74 = 247,363.40 : x
  2. Step 2: Convert to fraction form
    646,387.02/969,646.74 = 247,363.40/x
  3. Step 3: Cross multiply
    646,387.02x = 969,646.74 × 247,363.40
  4. Step 4: Simplify right side
    646,387.02x = 239,855,117,757.05
  5. Step 5: Solve for x
    x = 239,855,117,757.05/646,387.02
  6. Step 6: Final answer
    x = 371,070.44

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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.