Home / 687,879.29-1,024,845.62-654,000.84

Finding the Fourth Proportional to 687,879.29, 1,024,845.62 and 654,000.84

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Solution

The fourth proportional to 687,879.29, 1,024,845.62 and 654,000.84 is: 974,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,879.29 : 1,024,845.62 = 654,000.84 : x
  2. Step 2: Convert to fraction form
    687,879.29/1,024,845.62 = 654,000.84/x
  3. Step 3: Cross multiply
    687,879.29x = 1,024,845.62 × 654,000.84
  4. Step 4: Simplify right side
    687,879.29x = 670,249,893,080.32
  5. Step 5: Solve for x
    x = 670,249,893,080.32/687,879.29
  6. Step 6: Final answer
    x = 974,371.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.