Home / 984,877.80-1,477,316.70-423,912.30

Finding the Fourth Proportional to 984,877.80, 1,477,316.70 and 423,912.30

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Solution

The fourth proportional to 984,877.80, 1,477,316.70 and 423,912.30 is: 635,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,877.80 : 1,477,316.70 = 423,912.30 : x
  2. Step 2: Convert to fraction form
    984,877.80/1,477,316.70 = 423,912.30/x
  3. Step 3: Cross multiply
    984,877.80x = 1,477,316.70 × 423,912.30
  4. Step 4: Simplify right side
    984,877.80x = 626,252,720,125.41
  5. Step 5: Solve for x
    x = 626,252,720,125.41/984,877.80
  6. Step 6: Final answer
    x = 635,868.45

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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.