Home / 859,702.42-1,186,401.67-472,553.69

Finding the Fourth Proportional to 859,702.42, 1,186,401.67 and 472,553.69

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Solution

The fourth proportional to 859,702.42, 1,186,401.67 and 472,553.69 is: 652,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,702.42 : 1,186,401.67 = 472,553.69 : x
  2. Step 2: Convert to fraction form
    859,702.42/1,186,401.67 = 472,553.69/x
  3. Step 3: Cross multiply
    859,702.42x = 1,186,401.67 × 472,553.69
  4. Step 4: Simplify right side
    859,702.42x = 560,638,486,980.66
  5. Step 5: Solve for x
    x = 560,638,486,980.66/859,702.42
  6. Step 6: Final answer
    x = 652,130.87

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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.