Home / 720,026.40-1,080,039.60-602,803.20

Finding the Fourth Proportional to 720,026.40, 1,080,039.60 and 602,803.20

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Solution

The fourth proportional to 720,026.40, 1,080,039.60 and 602,803.20 is: 904,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,026.40 : 1,080,039.60 = 602,803.20 : x
  2. Step 2: Convert to fraction form
    720,026.40/1,080,039.60 = 602,803.20/x
  3. Step 3: Cross multiply
    720,026.40x = 1,080,039.60 × 602,803.20
  4. Step 4: Simplify right side
    720,026.40x = 651,051,327,006.72
  5. Step 5: Solve for x
    x = 651,051,327,006.72/720,026.40
  6. Step 6: Final answer
    x = 904,204.80

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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.