Home / 730,615.60-1,095,923.40-478,673.20

Finding the Fourth Proportional to 730,615.60, 1,095,923.40 and 478,673.20

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Solution

The fourth proportional to 730,615.60, 1,095,923.40 and 478,673.20 is: 718,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,615.60 : 1,095,923.40 = 478,673.20 : x
  2. Step 2: Convert to fraction form
    730,615.60/1,095,923.40 = 478,673.20/x
  3. Step 3: Cross multiply
    730,615.60x = 1,095,923.40 × 478,673.20
  4. Step 4: Simplify right side
    730,615.60x = 524,589,160,832.88
  5. Step 5: Solve for x
    x = 524,589,160,832.88/730,615.60
  6. Step 6: Final answer
    x = 718,009.80

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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.