Home / 859,642.32-1,186,333.12-472,450.72

Finding the Fourth Proportional to 859,642.32, 1,186,333.12 and 472,450.72

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Solution

The fourth proportional to 859,642.32, 1,186,333.12 and 472,450.72 is: 651,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,642.32 : 1,186,333.12 = 472,450.72 : x
  2. Step 2: Convert to fraction form
    859,642.32/1,186,333.12 = 472,450.72/x
  3. Step 3: Cross multiply
    859,642.32x = 1,186,333.12 × 472,450.72
  4. Step 4: Simplify right side
    859,642.32x = 560,483,936,703.85
  5. Step 5: Solve for x
    x = 560,483,936,703.85/859,642.32
  6. Step 6: Final answer
    x = 651,996.68

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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.