Home / 1,077,320.70-1,615,981.05-329,366.70

Finding the Fourth Proportional to 1,077,320.70, 1,615,981.05 and 329,366.70

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Solution

The fourth proportional to 1,077,320.70, 1,615,981.05 and 329,366.70 is: 494,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,320.70 : 1,615,981.05 = 329,366.70 : x
  2. Step 2: Convert to fraction form
    1,077,320.70/1,615,981.05 = 329,366.70/x
  3. Step 3: Cross multiply
    1,077,320.70x = 1,615,981.05 × 329,366.70
  4. Step 4: Simplify right side
    1,077,320.70x = 532,250,345,701.04
  5. Step 5: Solve for x
    x = 532,250,345,701.04/1,077,320.70
  6. Step 6: Final answer
    x = 494,050.05

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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.