Home / 976,717.60-1,465,335.60-345,565.60

Finding the Fourth Proportional to 976,717.60, 1,465,335.60 and 345,565.60

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Solution

The fourth proportional to 976,717.60, 1,465,335.60 and 345,565.60 is: 518,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,717.60 : 1,465,335.60 = 345,565.60 : x
  2. Step 2: Convert to fraction form
    976,717.60/1,465,335.60 = 345,565.60/x
  3. Step 3: Cross multiply
    976,717.60x = 1,465,335.60 × 345,565.60
  4. Step 4: Simplify right side
    976,717.60x = 506,369,575,815.36
  5. Step 5: Solve for x
    x = 506,369,575,815.36/976,717.60
  6. Step 6: Final answer
    x = 518,440.11

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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.