Home / 898,009.20-1,346,722.20-298,868.40

Finding the Fourth Proportional to 898,009.20, 1,346,722.20 and 298,868.40

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Solution

The fourth proportional to 898,009.20, 1,346,722.20 and 298,868.40 is: 448,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,009.20 : 1,346,722.20 = 298,868.40 : x
  2. Step 2: Convert to fraction form
    898,009.20/1,346,722.20 = 298,868.40/x
  3. Step 3: Cross multiply
    898,009.20x = 1,346,722.20 × 298,868.40
  4. Step 4: Simplify right side
    898,009.20x = 402,492,709,158.48
  5. Step 5: Solve for x
    x = 402,492,709,158.48/898,009.20
  6. Step 6: Final answer
    x = 448,205.55

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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.