Home / 500,029.79-690,042.92-270,587.05

Finding the Fourth Proportional to 500,029.79, 690,042.92 and 270,587.05

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Solution

The fourth proportional to 500,029.79, 690,042.92 and 270,587.05 is: 373,411.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,029.79 : 690,042.92 = 270,587.05 : x
  2. Step 2: Convert to fraction form
    500,029.79/690,042.92 = 270,587.05/x
  3. Step 3: Cross multiply
    500,029.79x = 690,042.92 × 270,587.05
  4. Step 4: Simplify right side
    500,029.79x = 186,716,675,018.14
  5. Step 5: Solve for x
    x = 186,716,675,018.14/500,029.79
  6. Step 6: Final answer
    x = 373,411.11

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1.5x scale

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.