Home / 860,112.50-1,186,985.70-472,957.38

Finding the Fourth Proportional to 860,112.50, 1,186,985.70 and 472,957.38

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Solution

The fourth proportional to 860,112.50, 1,186,985.70 and 472,957.38 is: 652,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,112.50 : 1,186,985.70 = 472,957.38 : x
  2. Step 2: Convert to fraction form
    860,112.50/1,186,985.70 = 472,957.38/x
  3. Step 3: Cross multiply
    860,112.50x = 1,186,985.70 × 472,957.38
  4. Step 4: Simplify right side
    860,112.50x = 561,393,646,769.47
  5. Step 5: Solve for x
    x = 561,393,646,769.47/860,112.50
  6. Step 6: Final answer
    x = 652,697.93

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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.