Home / 918,000.96-1,377,235.03-539,242.03

Finding the Fourth Proportional to 918,000.96, 1,377,235.03 and 539,242.03

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Solution

The fourth proportional to 918,000.96, 1,377,235.03 and 539,242.03 is: 809,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,000.96 : 1,377,235.03 = 539,242.03 : x
  2. Step 2: Convert to fraction form
    918,000.96/1,377,235.03 = 539,242.03/x
  3. Step 3: Cross multiply
    918,000.96x = 1,377,235.03 × 539,242.03
  4. Step 4: Simplify right side
    918,000.96x = 742,663,010,595.28
  5. Step 5: Solve for x
    x = 742,663,010,595.28/918,000.96
  6. Step 6: Final answer
    x = 809,000.25

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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.