Home / 803,225.40-1,205,010.90-242,316.60

Finding the Fourth Proportional to 803,225.40, 1,205,010.90 and 242,316.60

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Solution

The fourth proportional to 803,225.40, 1,205,010.90 and 242,316.60 is: 363,527.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,225.40 : 1,205,010.90 = 242,316.60 : x
  2. Step 2: Convert to fraction form
    803,225.40/1,205,010.90 = 242,316.60/x
  3. Step 3: Cross multiply
    803,225.40x = 1,205,010.90 × 242,316.60
  4. Step 4: Simplify right side
    803,225.40x = 291,994,144,250.94
  5. Step 5: Solve for x
    x = 291,994,144,250.94/803,225.40
  6. Step 6: Final answer
    x = 363,527.03

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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.