Home / 800,875.49-1,105,197.77-438,292.76

Finding the Fourth Proportional to 800,875.49, 1,105,197.77 and 438,292.76

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Solution

The fourth proportional to 800,875.49, 1,105,197.77 and 438,292.76 is: 604,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,875.49 : 1,105,197.77 = 438,292.76 : x
  2. Step 2: Convert to fraction form
    800,875.49/1,105,197.77 = 438,292.76/x
  3. Step 3: Cross multiply
    800,875.49x = 1,105,197.77 × 438,292.76
  4. Step 4: Simplify right side
    800,875.49x = 484,400,176,528.89
  5. Step 5: Solve for x
    x = 484,400,176,528.89/800,875.49
  6. Step 6: Final answer
    x = 604,838.31

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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.