Home / 860,592.56-1,187,650.50-478,646.96

Finding the Fourth Proportional to 860,592.56, 1,187,650.50 and 478,646.96

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Solution

The fourth proportional to 860,592.56, 1,187,650.50 and 478,646.96 is: 660,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,592.56 : 1,187,650.50 = 478,646.96 : x
  2. Step 2: Convert to fraction form
    860,592.56/1,187,650.50 = 478,646.96/x
  3. Step 3: Cross multiply
    860,592.56x = 1,187,650.50 × 478,646.96
  4. Step 4: Simplify right side
    860,592.56x = 568,465,301,367.48
  5. Step 5: Solve for x
    x = 568,465,301,367.48/860,592.56
  6. Step 6: Final answer
    x = 660,551.03

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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.