Home / 672,350.40-1,005,609.60-601,783.20

Finding the Fourth Proportional to 672,350.40, 1,005,609.60 and 601,783.20

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Solution

The fourth proportional to 672,350.40, 1,005,609.60 and 601,783.20 is: 900,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,350.40 : 1,005,609.60 = 601,783.20 : x
  2. Step 2: Convert to fraction form
    672,350.40/1,005,609.60 = 601,783.20/x
  3. Step 3: Cross multiply
    672,350.40x = 1,005,609.60 × 601,783.20
  4. Step 4: Simplify right side
    672,350.40x = 605,158,963,038.72
  5. Step 5: Solve for x
    x = 605,158,963,038.72/672,350.40
  6. Step 6: Final answer
    x = 900,064.85

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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.