Home / 860,115.66-1,186,990.08-472,960.46

Finding the Fourth Proportional to 860,115.66, 1,186,990.08 and 472,960.46

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Solution

The fourth proportional to 860,115.66, 1,186,990.08 and 472,960.46 is: 652,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,115.66 : 1,186,990.08 = 472,960.46 : x
  2. Step 2: Convert to fraction form
    860,115.66/1,186,990.08 = 472,960.46/x
  3. Step 3: Cross multiply
    860,115.66x = 1,186,990.08 × 472,960.46
  4. Step 4: Simplify right side
    860,115.66x = 561,399,374,252.24
  5. Step 5: Solve for x
    x = 561,399,374,252.24/860,115.66
  6. Step 6: Final answer
    x = 652,702.19

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Double scale
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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.