Home / 868,984.80-1,303,477.20-371,320.80

Finding the Fourth Proportional to 868,984.80, 1,303,477.20 and 371,320.80

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Solution

The fourth proportional to 868,984.80, 1,303,477.20 and 371,320.80 is: 556,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,984.80 : 1,303,477.20 = 371,320.80 : x
  2. Step 2: Convert to fraction form
    868,984.80/1,303,477.20 = 371,320.80/x
  3. Step 3: Cross multiply
    868,984.80x = 1,303,477.20 × 371,320.80
  4. Step 4: Simplify right side
    868,984.80x = 484,008,196,685.76
  5. Step 5: Solve for x
    x = 484,008,196,685.76/868,984.80
  6. Step 6: Final answer
    x = 556,981.20

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Similar ratio
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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.