Home / 933,630.08-1,400,090.88-302,374.40

Finding the Fourth Proportional to 933,630.08, 1,400,090.88 and 302,374.40

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Solution

The fourth proportional to 933,630.08, 1,400,090.88 and 302,374.40 is: 453,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,630.08 : 1,400,090.88 = 302,374.40 : x
  2. Step 2: Convert to fraction form
    933,630.08/1,400,090.88 = 302,374.40/x
  3. Step 3: Cross multiply
    933,630.08x = 1,400,090.88 × 302,374.40
  4. Step 4: Simplify right side
    933,630.08x = 423,351,639,785.47
  5. Step 5: Solve for x
    x = 423,351,639,785.47/933,630.08
  6. Step 6: Final answer
    x = 453,446.87

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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.