Home / 627,210.96-865,551.87-340,731.24

Finding the Fourth Proportional to 627,210.96, 865,551.87 and 340,731.24

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Solution

The fourth proportional to 627,210.96, 865,551.87 and 340,731.24 is: 470,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,210.96 : 865,551.87 = 340,731.24 : x
  2. Step 2: Convert to fraction form
    627,210.96/865,551.87 = 340,731.24/x
  3. Step 3: Cross multiply
    627,210.96x = 865,551.87 × 340,731.24
  4. Step 4: Simplify right side
    627,210.96x = 294,920,561,949.42
  5. Step 5: Solve for x
    x = 294,920,561,949.42/627,210.96
  6. Step 6: Final answer
    x = 470,209.52

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1.5x scale

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.