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Finding the Fourth Proportional to 933,602.80, 1,400,404.20 and 302,580.40

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Solution

The fourth proportional to 933,602.80, 1,400,404.20 and 302,580.40 is: 453,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,602.80 : 1,400,404.20 = 302,580.40 : x
  2. Step 2: Convert to fraction form
    933,602.80/1,400,404.20 = 302,580.40/x
  3. Step 3: Cross multiply
    933,602.80x = 1,400,404.20 × 302,580.40
  4. Step 4: Simplify right side
    933,602.80x = 423,734,862,997.68
  5. Step 5: Solve for x
    x = 423,734,862,997.68/933,602.80
  6. Step 6: Final answer
    x = 453,870.60

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Similar ratio
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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.