Home / 473,947.62-653,984.55-304,411.38

Finding the Fourth Proportional to 473,947.62, 653,984.55 and 304,411.38

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Solution

The fourth proportional to 473,947.62, 653,984.55 and 304,411.38 is: 420,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,947.62 : 653,984.55 = 304,411.38 : x
  2. Step 2: Convert to fraction form
    473,947.62/653,984.55 = 304,411.38/x
  3. Step 3: Cross multiply
    473,947.62x = 653,984.55 × 304,411.38
  4. Step 4: Simplify right side
    473,947.62x = 199,080,339,364.18
  5. Step 5: Solve for x
    x = 199,080,339,364.18/473,947.62
  6. Step 6: Final answer
    x = 420,047.13

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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.