Home / 986,222.52-1,478,445.62-354,692.25

Finding the Fourth Proportional to 986,222.52, 1,478,445.62 and 354,692.25

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Solution

The fourth proportional to 986,222.52, 1,478,445.62 and 354,692.25 is: 531,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,222.52 : 1,478,445.62 = 354,692.25 : x
  2. Step 2: Convert to fraction form
    986,222.52/1,478,445.62 = 354,692.25/x
  3. Step 3: Cross multiply
    986,222.52x = 1,478,445.62 × 354,692.25
  4. Step 4: Simplify right side
    986,222.52x = 524,393,201,686.98
  5. Step 5: Solve for x
    x = 524,393,201,686.98/986,222.52
  6. Step 6: Final answer
    x = 531,718.95

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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.