Home / 953,412.59-1,315,732.09-523,701.72

Finding the Fourth Proportional to 953,412.59, 1,315,732.09 and 523,701.72

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Solution

The fourth proportional to 953,412.59, 1,315,732.09 and 523,701.72 is: 722,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,412.59 : 1,315,732.09 = 523,701.72 : x
  2. Step 2: Convert to fraction form
    953,412.59/1,315,732.09 = 523,701.72/x
  3. Step 3: Cross multiply
    953,412.59x = 1,315,732.09 × 523,701.72
  4. Step 4: Simplify right side
    953,412.59x = 689,051,158,592.20
  5. Step 5: Solve for x
    x = 689,051,158,592.20/953,412.59
  6. Step 6: Final answer
    x = 722,720.85

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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.