Home / 887,913.60-1,332,064.80-355,300.80

Finding the Fourth Proportional to 887,913.60, 1,332,064.80 and 355,300.80

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Solution

The fourth proportional to 887,913.60, 1,332,064.80 and 355,300.80 is: 533,028.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,913.60 : 1,332,064.80 = 355,300.80 : x
  2. Step 2: Convert to fraction form
    887,913.60/1,332,064.80 = 355,300.80/x
  3. Step 3: Cross multiply
    887,913.60x = 1,332,064.80 × 355,300.80
  4. Step 4: Simplify right side
    887,913.60x = 473,283,689,091.84
  5. Step 5: Solve for x
    x = 473,283,689,091.84/887,913.60
  6. Step 6: Final answer
    x = 533,028.99

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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.