Home / 968,879.34-1,453,854.15-400,128.12

Finding the Fourth Proportional to 968,879.34, 1,453,854.15 and 400,128.12

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Solution

The fourth proportional to 968,879.34, 1,453,854.15 and 400,128.12 is: 600,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,879.34 : 1,453,854.15 = 400,128.12 : x
  2. Step 2: Convert to fraction form
    968,879.34/1,453,854.15 = 400,128.12/x
  3. Step 3: Cross multiply
    968,879.34x = 1,453,854.15 × 400,128.12
  4. Step 4: Simplify right side
    968,879.34x = 581,727,927,793.70
  5. Step 5: Solve for x
    x = 581,727,927,793.70/968,879.34
  6. Step 6: Final answer
    x = 600,413.18

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1.5x scale

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.