Home / 897,868.80-1,348,358.40-477,964.80

Finding the Fourth Proportional to 897,868.80, 1,348,358.40 and 477,964.80

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Solution

The fourth proportional to 897,868.80, 1,348,358.40 and 477,964.80 is: 717,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,868.80 : 1,348,358.40 = 477,964.80 : x
  2. Step 2: Convert to fraction form
    897,868.80/1,348,358.40 = 477,964.80/x
  3. Step 3: Cross multiply
    897,868.80x = 1,348,358.40 × 477,964.80
  4. Step 4: Simplify right side
    897,868.80x = 644,467,852,984.32
  5. Step 5: Solve for x
    x = 644,467,852,984.32/897,868.80
  6. Step 6: Final answer
    x = 717,775.08

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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.