Home / 495,199.47-742,799.26-258,486.80

Finding the Fourth Proportional to 495,199.47, 742,799.26 and 258,486.80

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Solution

The fourth proportional to 495,199.47, 742,799.26 and 258,486.80 is: 387,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,199.47 : 742,799.26 = 258,486.80 : x
  2. Step 2: Convert to fraction form
    495,199.47/742,799.26 = 258,486.80/x
  3. Step 3: Cross multiply
    495,199.47x = 742,799.26 × 258,486.80
  4. Step 4: Simplify right side
    495,199.47x = 192,003,800,368.88
  5. Step 5: Solve for x
    x = 192,003,800,368.88/495,199.47
  6. Step 6: Final answer
    x = 387,730.22

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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.