Home / 953,126.46-1,315,314.50-523,413.77

Finding the Fourth Proportional to 953,126.46, 1,315,314.50 and 523,413.77

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Solution

The fourth proportional to 953,126.46, 1,315,314.50 and 523,413.77 is: 722,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,126.46 : 1,315,314.50 = 523,413.77 : x
  2. Step 2: Convert to fraction form
    953,126.46/1,315,314.50 = 523,413.77/x
  3. Step 3: Cross multiply
    953,126.46x = 1,315,314.50 × 523,413.77
  4. Step 4: Simplify right side
    953,126.46x = 688,453,711,987.02
  5. Step 5: Solve for x
    x = 688,453,711,987.02/953,126.46
  6. Step 6: Final answer
    x = 722,310.98

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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.