Home / 860,642.60-1,187,686.86-473,463.48

Finding the Fourth Proportional to 860,642.60, 1,187,686.86 and 473,463.48

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Solution

The fourth proportional to 860,642.60, 1,187,686.86 and 473,463.48 is: 653,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,642.60 : 1,187,686.86 = 473,463.48 : x
  2. Step 2: Convert to fraction form
    860,642.60/1,187,686.86 = 473,463.48/x
  3. Step 3: Cross multiply
    860,642.60x = 1,187,686.86 × 473,463.48
  4. Step 4: Simplify right side
    860,642.60x = 562,326,353,885.87
  5. Step 5: Solve for x
    x = 562,326,353,885.87/860,642.60
  6. Step 6: Final answer
    x = 653,379.64

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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.