Home / 875,600.70-1,312,380.45-402,333.90

Finding the Fourth Proportional to 875,600.70, 1,312,380.45 and 402,333.90

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Solution

The fourth proportional to 875,600.70, 1,312,380.45 and 402,333.90 is: 603,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,600.70 : 1,312,380.45 = 402,333.90 : x
  2. Step 2: Convert to fraction form
    875,600.70/1,312,380.45 = 402,333.90/x
  3. Step 3: Cross multiply
    875,600.70x = 1,312,380.45 × 402,333.90
  4. Step 4: Simplify right side
    875,600.70x = 528,015,144,732.26
  5. Step 5: Solve for x
    x = 528,015,144,732.26/875,600.70
  6. Step 6: Final answer
    x = 603,031.89

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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.