Home / 930,003.80-1,395,200.10-298,981.40

Finding the Fourth Proportional to 930,003.80, 1,395,200.10 and 298,981.40

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Solution

The fourth proportional to 930,003.80, 1,395,200.10 and 298,981.40 is: 448,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,003.80 : 1,395,200.10 = 298,981.40 : x
  2. Step 2: Convert to fraction form
    930,003.80/1,395,200.10 = 298,981.40/x
  3. Step 3: Cross multiply
    930,003.80x = 1,395,200.10 × 298,981.40
  4. Step 4: Simplify right side
    930,003.80x = 417,138,879,178.14
  5. Step 5: Solve for x
    x = 417,138,879,178.14/930,003.80
  6. Step 6: Final answer
    x = 448,534.60

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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.