Home / 976,700.20-1,465,487.70-346,066.60

Finding the Fourth Proportional to 976,700.20, 1,465,487.70 and 346,066.60

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Solution

The fourth proportional to 976,700.20, 1,465,487.70 and 346,066.60 is: 519,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,700.20 : 1,465,487.70 = 346,066.60 : x
  2. Step 2: Convert to fraction form
    976,700.20/1,465,487.70 = 346,066.60/x
  3. Step 3: Cross multiply
    976,700.20x = 1,465,487.70 × 346,066.60
  4. Step 4: Simplify right side
    976,700.20x = 507,156,345,680.82
  5. Step 5: Solve for x
    x = 507,156,345,680.82/976,700.20
  6. Step 6: Final answer
    x = 519,254.88

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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.