Home / 817,966.40-1,227,122.40-249,300.80

Finding the Fourth Proportional to 817,966.40, 1,227,122.40 and 249,300.80

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Solution

The fourth proportional to 817,966.40, 1,227,122.40 and 249,300.80 is: 374,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,966.40 : 1,227,122.40 = 249,300.80 : x
  2. Step 2: Convert to fraction form
    817,966.40/1,227,122.40 = 249,300.80/x
  3. Step 3: Cross multiply
    817,966.40x = 1,227,122.40 × 249,300.80
  4. Step 4: Simplify right side
    817,966.40x = 305,922,596,017.92
  5. Step 5: Solve for x
    x = 305,922,596,017.92/817,966.40
  6. Step 6: Final answer
    x = 374,003.87

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1.5x scale

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.