Home / 874,691.60-1,312,037.40-538,768.40

Finding the Fourth Proportional to 874,691.60, 1,312,037.40 and 538,768.40

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Solution

The fourth proportional to 874,691.60, 1,312,037.40 and 538,768.40 is: 808,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,691.60 : 1,312,037.40 = 538,768.40 : x
  2. Step 2: Convert to fraction form
    874,691.60/1,312,037.40 = 538,768.40/x
  3. Step 3: Cross multiply
    874,691.60x = 1,312,037.40 × 538,768.40
  4. Step 4: Simplify right side
    874,691.60x = 706,884,290,738.16
  5. Step 5: Solve for x
    x = 706,884,290,738.16/874,691.60
  6. Step 6: Final answer
    x = 808,152.60

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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.