Home / 498,123.36-743,637.96-480,627.36

Finding the Fourth Proportional to 498,123.36, 743,637.96 and 480,627.36

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Solution

The fourth proportional to 498,123.36, 743,637.96 and 480,627.36 is: 717,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,123.36 : 743,637.96 = 480,627.36 : x
  2. Step 2: Convert to fraction form
    498,123.36/743,637.96 = 480,627.36/x
  3. Step 3: Cross multiply
    498,123.36x = 743,637.96 × 480,627.36
  4. Step 4: Simplify right side
    498,123.36x = 357,412,749,510.59
  5. Step 5: Solve for x
    x = 357,412,749,510.59/498,123.36
  6. Step 6: Final answer
    x = 717,518.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.