Home / 744,574.56-1,117,423.17-545,405.28

Finding the Fourth Proportional to 744,574.56, 1,117,423.17 and 545,405.28

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Solution

The fourth proportional to 744,574.56, 1,117,423.17 and 545,405.28 is: 818,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,574.56 : 1,117,423.17 = 545,405.28 : x
  2. Step 2: Convert to fraction form
    744,574.56/1,117,423.17 = 545,405.28/x
  3. Step 3: Cross multiply
    744,574.56x = 1,117,423.17 × 545,405.28
  4. Step 4: Simplify right side
    744,574.56x = 609,448,496,912.34
  5. Step 5: Solve for x
    x = 609,448,496,912.34/744,574.56
  6. Step 6: Final answer
    x = 818,519.10

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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.