Home / 649,878.36-974,402.25-312,247.14

Finding the Fourth Proportional to 649,878.36, 974,402.25 and 312,247.14

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Solution

The fourth proportional to 649,878.36, 974,402.25 and 312,247.14 is: 468,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,878.36 : 974,402.25 = 312,247.14 : x
  2. Step 2: Convert to fraction form
    649,878.36/974,402.25 = 312,247.14/x
  3. Step 3: Cross multiply
    649,878.36x = 974,402.25 × 312,247.14
  4. Step 4: Simplify right side
    649,878.36x = 304,254,315,772.07
  5. Step 5: Solve for x
    x = 304,254,315,772.07/649,878.36
  6. Step 6: Final answer
    x = 468,171.18

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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.