Home / 997,695.32-1,496,531.97-287,700.35

Finding the Fourth Proportional to 997,695.32, 1,496,531.97 and 287,700.35

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Solution

The fourth proportional to 997,695.32, 1,496,531.97 and 287,700.35 is: 431,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,695.32 : 1,496,531.97 = 287,700.35 : x
  2. Step 2: Convert to fraction form
    997,695.32/1,496,531.97 = 287,700.35/x
  3. Step 3: Cross multiply
    997,695.32x = 1,496,531.97 × 287,700.35
  4. Step 4: Simplify right side
    997,695.32x = 430,552,764,072.53
  5. Step 5: Solve for x
    x = 430,552,764,072.53/997,695.32
  6. Step 6: Final answer
    x = 431,547.34

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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.