Home / 448,479.04-618,898.56-247,275.20

Finding the Fourth Proportional to 448,479.04, 618,898.56 and 247,275.20

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Solution

The fourth proportional to 448,479.04, 618,898.56 and 247,275.20 is: 341,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,479.04 : 618,898.56 = 247,275.20 : x
  2. Step 2: Convert to fraction form
    448,479.04/618,898.56 = 247,275.20/x
  3. Step 3: Cross multiply
    448,479.04x = 618,898.56 × 247,275.20
  4. Step 4: Simplify right side
    448,479.04x = 153,038,265,203.71
  5. Step 5: Solve for x
    x = 153,038,265,203.71/448,479.04
  6. Step 6: Final answer
    x = 341,238.39

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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.