Home / 875,212.80-1,312,027.20-609,100.80

Finding the Fourth Proportional to 875,212.80, 1,312,027.20 and 609,100.80

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Solution

The fourth proportional to 875,212.80, 1,312,027.20 and 609,100.80 is: 913,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,212.80 : 1,312,027.20 = 609,100.80 : x
  2. Step 2: Convert to fraction form
    875,212.80/1,312,027.20 = 609,100.80/x
  3. Step 3: Cross multiply
    875,212.80x = 1,312,027.20 × 609,100.80
  4. Step 4: Simplify right side
    875,212.80x = 799,156,817,141.76
  5. Step 5: Solve for x
    x = 799,156,817,141.76/875,212.80
  6. Step 6: Final answer
    x = 913,100.01

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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.