Home / 757,519.86-1,045,002.93-495,720.18

Finding the Fourth Proportional to 757,519.86, 1,045,002.93 and 495,720.18

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Solution

The fourth proportional to 757,519.86, 1,045,002.93 and 495,720.18 is: 683,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,519.86 : 1,045,002.93 = 495,720.18 : x
  2. Step 2: Convert to fraction form
    757,519.86/1,045,002.93 = 495,720.18/x
  3. Step 3: Cross multiply
    757,519.86x = 1,045,002.93 × 495,720.18
  4. Step 4: Simplify right side
    757,519.86x = 518,029,040,560.13
  5. Step 5: Solve for x
    x = 518,029,040,560.13/757,519.86
  6. Step 6: Final answer
    x = 683,848.79

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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.