Home / 757,452.18-1,045,335.23-435,290.70

Finding the Fourth Proportional to 757,452.18, 1,045,335.23 and 435,290.70

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Solution

The fourth proportional to 757,452.18, 1,045,335.23 and 435,290.70 is: 600,730.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,452.18 : 1,045,335.23 = 435,290.70 : x
  2. Step 2: Convert to fraction form
    757,452.18/1,045,335.23 = 435,290.70/x
  3. Step 3: Cross multiply
    757,452.18x = 1,045,335.23 × 435,290.70
  4. Step 4: Simplify right side
    757,452.18x = 455,024,709,825.77
  5. Step 5: Solve for x
    x = 455,024,709,825.77/757,452.18
  6. Step 6: Final answer
    x = 600,730.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.