Home / 448,211.72-618,532.19-247,007.72

Finding the Fourth Proportional to 448,211.72, 618,532.19 and 247,007.72

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Solution

The fourth proportional to 448,211.72, 618,532.19 and 247,007.72 is: 340,870.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,211.72 : 618,532.19 = 247,007.72 : x
  2. Step 2: Convert to fraction form
    448,211.72/618,532.19 = 247,007.72/x
  3. Step 3: Cross multiply
    448,211.72x = 618,532.19 × 247,007.72
  4. Step 4: Simplify right side
    448,211.72x = 152,782,221,670.81
  5. Step 5: Solve for x
    x = 152,782,221,670.81/448,211.72
  6. Step 6: Final answer
    x = 340,870.66

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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.