Home / 860,243.52-1,186,795.08-497,600.04

Finding the Fourth Proportional to 860,243.52, 1,186,795.08 and 497,600.04

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Solution

The fourth proportional to 860,243.52, 1,186,795.08 and 497,600.04 is: 686,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,243.52 : 1,186,795.08 = 497,600.04 : x
  2. Step 2: Convert to fraction form
    860,243.52/1,186,795.08 = 497,600.04/x
  3. Step 3: Cross multiply
    860,243.52x = 1,186,795.08 × 497,600.04
  4. Step 4: Simplify right side
    860,243.52x = 590,549,279,279.80
  5. Step 5: Solve for x
    x = 590,549,279,279.80/860,243.52
  6. Step 6: Final answer
    x = 686,490.82

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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.