Home / 959,070.39-1,438,605.18-285,148.77

Finding the Fourth Proportional to 959,070.39, 1,438,605.18 and 285,148.77

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Solution

The fourth proportional to 959,070.39, 1,438,605.18 and 285,148.77 is: 427,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,070.39 : 1,438,605.18 = 285,148.77 : x
  2. Step 2: Convert to fraction form
    959,070.39/1,438,605.18 = 285,148.77/x
  3. Step 3: Cross multiply
    959,070.39x = 1,438,605.18 × 285,148.77
  4. Step 4: Simplify right side
    959,070.39x = 410,216,497,592.63
  5. Step 5: Solve for x
    x = 410,216,497,592.63/959,070.39
  6. Step 6: Final answer
    x = 427,723.03

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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.