Home / 895,402.40-1,344,140.40-540,816.80

Finding the Fourth Proportional to 895,402.40, 1,344,140.40 and 540,816.80

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Solution

The fourth proportional to 895,402.40, 1,344,140.40 and 540,816.80 is: 811,851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,402.40 : 1,344,140.40 = 540,816.80 : x
  2. Step 2: Convert to fraction form
    895,402.40/1,344,140.40 = 540,816.80/x
  3. Step 3: Cross multiply
    895,402.40x = 1,344,140.40 × 540,816.80
  4. Step 4: Simplify right side
    895,402.40x = 726,933,709,878.72
  5. Step 5: Solve for x
    x = 726,933,709,878.72/895,402.40
  6. Step 6: Final answer
    x = 811,851.42

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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.