Home / 976,485.93-1,464,019.15-408,029.75

Finding the Fourth Proportional to 976,485.93, 1,464,019.15 and 408,029.75

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Solution

The fourth proportional to 976,485.93, 1,464,019.15 and 408,029.75 is: 611,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,485.93 : 1,464,019.15 = 408,029.75 : x
  2. Step 2: Convert to fraction form
    976,485.93/1,464,019.15 = 408,029.75/x
  3. Step 3: Cross multiply
    976,485.93x = 1,464,019.15 × 408,029.75
  4. Step 4: Simplify right side
    976,485.93x = 597,363,367,769.71
  5. Step 5: Solve for x
    x = 597,363,367,769.71/976,485.93
  6. Step 6: Final answer
    x = 611,748.05

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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.