Home / 837,980.32-1,156,401.56-456,006.20

Finding the Fourth Proportional to 837,980.32, 1,156,401.56 and 456,006.20

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Solution

The fourth proportional to 837,980.32, 1,156,401.56 and 456,006.20 is: 629,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,980.32 : 1,156,401.56 = 456,006.20 : x
  2. Step 2: Convert to fraction form
    837,980.32/1,156,401.56 = 456,006.20/x
  3. Step 3: Cross multiply
    837,980.32x = 1,156,401.56 × 456,006.20
  4. Step 4: Simplify right side
    837,980.32x = 527,326,281,049.67
  5. Step 5: Solve for x
    x = 527,326,281,049.67/837,980.32
  6. Step 6: Final answer
    x = 629,282.42

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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.