Home / 649,933.02-974,484.07-312,301.80

Finding the Fourth Proportional to 649,933.02, 974,484.07 and 312,301.80

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Solution

The fourth proportional to 649,933.02, 974,484.07 and 312,301.80 is: 468,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,933.02 : 974,484.07 = 312,301.80 : x
  2. Step 2: Convert to fraction form
    649,933.02/974,484.07 = 312,301.80/x
  3. Step 3: Cross multiply
    649,933.02x = 974,484.07 × 312,301.80
  4. Step 4: Simplify right side
    649,933.02x = 304,333,128,351.57
  5. Step 5: Solve for x
    x = 304,333,128,351.57/649,933.02
  6. Step 6: Final answer
    x = 468,253.06

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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.