Home / 976,921.60-1,465,641.60-345,769.60

Finding the Fourth Proportional to 976,921.60, 1,465,641.60 and 345,769.60

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Solution

The fourth proportional to 976,921.60, 1,465,641.60 and 345,769.60 is: 518,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,921.60 : 1,465,641.60 = 345,769.60 : x
  2. Step 2: Convert to fraction form
    976,921.60/1,465,641.60 = 345,769.60/x
  3. Step 3: Cross multiply
    976,921.60x = 1,465,641.60 × 345,769.60
  4. Step 4: Simplify right side
    976,921.60x = 506,774,309,775.36
  5. Step 5: Solve for x
    x = 506,774,309,775.36/976,921.60
  6. Step 6: Final answer
    x = 518,746.14

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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.