Home / 918,001.44-1,377,235.74-539,242.50

Finding the Fourth Proportional to 918,001.44, 1,377,235.74 and 539,242.50

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Solution

The fourth proportional to 918,001.44, 1,377,235.74 and 539,242.50 is: 809,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,001.44 : 1,377,235.74 = 539,242.50 : x
  2. Step 2: Convert to fraction form
    918,001.44/1,377,235.74 = 539,242.50/x
  3. Step 3: Cross multiply
    918,001.44x = 1,377,235.74 × 539,242.50
  4. Step 4: Simplify right side
    918,001.44x = 742,664,043,526.95
  5. Step 5: Solve for x
    x = 742,664,043,526.95/918,001.44
  6. Step 6: Final answer
    x = 809,000.96

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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.