Home / 579,140.02-867,527.42-298,066.78

Finding the Fourth Proportional to 579,140.02, 867,527.42 and 298,066.78

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Solution

The fourth proportional to 579,140.02, 867,527.42 and 298,066.78 is: 446,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,140.02 : 867,527.42 = 298,066.78 : x
  2. Step 2: Convert to fraction form
    579,140.02/867,527.42 = 298,066.78/x
  3. Step 3: Cross multiply
    579,140.02x = 867,527.42 × 298,066.78
  4. Step 4: Simplify right side
    579,140.02x = 258,581,104,641.11
  5. Step 5: Solve for x
    x = 258,581,104,641.11/579,140.02
  6. Step 6: Final answer
    x = 446,491.51

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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.