Home / 448,480.04-618,899.94-247,276.20

Finding the Fourth Proportional to 448,480.04, 618,899.94 and 247,276.20

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Solution

The fourth proportional to 448,480.04, 618,899.94 and 247,276.20 is: 341,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,480.04 : 618,899.94 = 247,276.20 : x
  2. Step 2: Convert to fraction form
    448,480.04/618,899.94 = 247,276.20/x
  3. Step 3: Cross multiply
    448,480.04x = 618,899.94 × 247,276.20
  4. Step 4: Simplify right side
    448,480.04x = 153,039,225,343.43
  5. Step 5: Solve for x
    x = 153,039,225,343.43/448,480.04
  6. Step 6: Final answer
    x = 341,239.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.