Home / 984,895.80-1,477,343.70-423,930.30

Finding the Fourth Proportional to 984,895.80, 1,477,343.70 and 423,930.30

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Solution

The fourth proportional to 984,895.80, 1,477,343.70 and 423,930.30 is: 635,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,895.80 : 1,477,343.70 = 423,930.30 : x
  2. Step 2: Convert to fraction form
    984,895.80/1,477,343.70 = 423,930.30/x
  3. Step 3: Cross multiply
    984,895.80x = 1,477,343.70 × 423,930.30
  4. Step 4: Simplify right side
    984,895.80x = 626,290,757,944.11
  5. Step 5: Solve for x
    x = 626,290,757,944.11/984,895.80
  6. Step 6: Final answer
    x = 635,895.45

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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.