Home / 572,275.40-858,413.10-172,977.80

Finding the Fourth Proportional to 572,275.40, 858,413.10 and 172,977.80

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Solution

The fourth proportional to 572,275.40, 858,413.10 and 172,977.80 is: 259,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,275.40 : 858,413.10 = 172,977.80 : x
  2. Step 2: Convert to fraction form
    572,275.40/858,413.10 = 172,977.80/x
  3. Step 3: Cross multiply
    572,275.40x = 858,413.10 × 172,977.80
  4. Step 4: Simplify right side
    572,275.40x = 148,486,409,529.18
  5. Step 5: Solve for x
    x = 148,486,409,529.18/572,275.40
  6. Step 6: Final answer
    x = 259,466.70

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.