Home / 900,502.60-1,242,693.16-492,604.33

Finding the Fourth Proportional to 900,502.60, 1,242,693.16 and 492,604.33

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Solution

The fourth proportional to 900,502.60, 1,242,693.16 and 492,604.33 is: 679,793.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,502.60 : 1,242,693.16 = 492,604.33 : x
  2. Step 2: Convert to fraction form
    900,502.60/1,242,693.16 = 492,604.33/x
  3. Step 3: Cross multiply
    900,502.60x = 1,242,693.16 × 492,604.33
  4. Step 4: Simplify right side
    900,502.60x = 612,156,031,477.38
  5. Step 5: Solve for x
    x = 612,156,031,477.38/900,502.60
  6. Step 6: Final answer
    x = 679,793.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.