Home / 830,729.57-1,146,440.55-468,168.71

Finding the Fourth Proportional to 830,729.57, 1,146,440.55 and 468,168.71

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Solution

The fourth proportional to 830,729.57, 1,146,440.55 and 468,168.71 is: 646,091.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,729.57 : 1,146,440.55 = 468,168.71 : x
  2. Step 2: Convert to fraction form
    830,729.57/1,146,440.55 = 468,168.71/x
  3. Step 3: Cross multiply
    830,729.57x = 1,146,440.55 × 468,168.71
  4. Step 4: Simplify right side
    830,729.57x = 536,727,593,385.19
  5. Step 5: Solve for x
    x = 536,727,593,385.19/830,729.57
  6. Step 6: Final answer
    x = 646,091.84

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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.