Home / 875,680.40-1,208,436.36-473,272.40

Finding the Fourth Proportional to 875,680.40, 1,208,436.36 and 473,272.40

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Solution

The fourth proportional to 875,680.40, 1,208,436.36 and 473,272.40 is: 653,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,680.40 : 1,208,436.36 = 473,272.40 : x
  2. Step 2: Convert to fraction form
    875,680.40/1,208,436.36 = 473,272.40/x
  3. Step 3: Cross multiply
    875,680.40x = 1,208,436.36 × 473,272.40
  4. Step 4: Simplify right side
    875,680.40x = 571,919,576,344.46
  5. Step 5: Solve for x
    x = 571,919,576,344.46/875,680.40
  6. Step 6: Final answer
    x = 653,114.51

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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.