Home / 976,964.60-1,465,706.10-345,812.60

Finding the Fourth Proportional to 976,964.60, 1,465,706.10 and 345,812.60

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Solution

The fourth proportional to 976,964.60, 1,465,706.10 and 345,812.60 is: 518,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,964.60 : 1,465,706.10 = 345,812.60 : x
  2. Step 2: Convert to fraction form
    976,964.60/1,465,706.10 = 345,812.60/x
  3. Step 3: Cross multiply
    976,964.60x = 1,465,706.10 × 345,812.60
  4. Step 4: Simplify right side
    976,964.60x = 506,859,637,276.86
  5. Step 5: Solve for x
    x = 506,859,637,276.86/976,964.60
  6. Step 6: Final answer
    x = 518,810.65

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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.