Home / 897,946.80-1,346,920.20-646,988.55

Finding the Fourth Proportional to 897,946.80, 1,346,920.20 and 646,988.55

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Solution

The fourth proportional to 897,946.80, 1,346,920.20 and 646,988.55 is: 970,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,946.80 : 1,346,920.20 = 646,988.55 : x
  2. Step 2: Convert to fraction form
    897,946.80/1,346,920.20 = 646,988.55/x
  3. Step 3: Cross multiply
    897,946.80x = 1,346,920.20 × 646,988.55
  4. Step 4: Simplify right side
    897,946.80x = 871,441,947,163.71
  5. Step 5: Solve for x
    x = 871,441,947,163.71/897,946.80
  6. Step 6: Final answer
    x = 970,482.83

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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.