Home / 852,941.28-1,177,128.32-490,482.48

Finding the Fourth Proportional to 852,941.28, 1,177,128.32 and 490,482.48

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Solution

The fourth proportional to 852,941.28, 1,177,128.32 and 490,482.48 is: 676,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,941.28 : 1,177,128.32 = 490,482.48 : x
  2. Step 2: Convert to fraction form
    852,941.28/1,177,128.32 = 490,482.48/x
  3. Step 3: Cross multiply
    852,941.28x = 1,177,128.32 × 490,482.48
  4. Step 4: Simplify right side
    852,941.28x = 577,360,817,671.83
  5. Step 5: Solve for x
    x = 577,360,817,671.83/852,941.28
  6. Step 6: Final answer
    x = 676,905.70

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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.