Home / 579,019.02-867,568.15-409,700.08

Finding the Fourth Proportional to 579,019.02, 867,568.15 and 409,700.08

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Solution

The fourth proportional to 579,019.02, 867,568.15 and 409,700.08 is: 613,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,019.02 : 867,568.15 = 409,700.08 : x
  2. Step 2: Convert to fraction form
    579,019.02/867,568.15 = 409,700.08/x
  3. Step 3: Cross multiply
    579,019.02x = 867,568.15 × 409,700.08
  4. Step 4: Simplify right side
    579,019.02x = 355,442,740,460.45
  5. Step 5: Solve for x
    x = 355,442,740,460.45/579,019.02
  6. Step 6: Final answer
    x = 613,870.58

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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.