Home / 932,428.80-1,398,643.20-301,795.20

Finding the Fourth Proportional to 932,428.80, 1,398,643.20 and 301,795.20

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Solution

The fourth proportional to 932,428.80, 1,398,643.20 and 301,795.20 is: 452,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,428.80 : 1,398,643.20 = 301,795.20 : x
  2. Step 2: Convert to fraction form
    932,428.80/1,398,643.20 = 301,795.20/x
  3. Step 3: Cross multiply
    932,428.80x = 1,398,643.20 × 301,795.20
  4. Step 4: Simplify right side
    932,428.80x = 422,103,804,272.64
  5. Step 5: Solve for x
    x = 422,103,804,272.64/932,428.80
  6. Step 6: Final answer
    x = 452,692.80

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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.