Home / 720,945.55-1,080,472.28-530,514.23

Finding the Fourth Proportional to 720,945.55, 1,080,472.28 and 530,514.23

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Solution

The fourth proportional to 720,945.55, 1,080,472.28 and 530,514.23 is: 795,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,945.55 : 1,080,472.28 = 530,514.23 : x
  2. Step 2: Convert to fraction form
    720,945.55/1,080,472.28 = 530,514.23/x
  3. Step 3: Cross multiply
    720,945.55x = 1,080,472.28 × 530,514.23
  4. Step 4: Simplify right side
    720,945.55x = 573,205,919,660.54
  5. Step 5: Solve for x
    x = 573,205,919,660.54/720,945.55
  6. Step 6: Final answer
    x = 795,075.19

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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.