Home / 986,445.48-1,478,793.42-480,723.60

Finding the Fourth Proportional to 986,445.48, 1,478,793.42 and 480,723.60

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Solution

The fourth proportional to 986,445.48, 1,478,793.42 and 480,723.60 is: 720,659.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,445.48 : 1,478,793.42 = 480,723.60 : x
  2. Step 2: Convert to fraction form
    986,445.48/1,478,793.42 = 480,723.60/x
  3. Step 3: Cross multiply
    986,445.48x = 1,478,793.42 × 480,723.60
  4. Step 4: Simplify right side
    986,445.48x = 710,890,896,518.71
  5. Step 5: Solve for x
    x = 710,890,896,518.71/986,445.48
  6. Step 6: Final answer
    x = 720,659.08

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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.