Home / 860,531.04-1,187,511.84-497,904.57

Finding the Fourth Proportional to 860,531.04, 1,187,511.84 and 497,904.57

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Solution

The fourth proportional to 860,531.04, 1,187,511.84 and 497,904.57 is: 687,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,531.04 : 1,187,511.84 = 497,904.57 : x
  2. Step 2: Convert to fraction form
    860,531.04/1,187,511.84 = 497,904.57/x
  3. Step 3: Cross multiply
    860,531.04x = 1,187,511.84 × 497,904.57
  4. Step 4: Simplify right side
    860,531.04x = 591,267,572,065.11
  5. Step 5: Solve for x
    x = 591,267,572,065.11/860,531.04
  6. Step 6: Final answer
    x = 687,096.16

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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.