Home / 448,403.56-618,801.14-247,206.76

Finding the Fourth Proportional to 448,403.56, 618,801.14 and 247,206.76

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Solution

The fourth proportional to 448,403.56, 618,801.14 and 247,206.76 is: 341,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,403.56 : 618,801.14 = 247,206.76 : x
  2. Step 2: Convert to fraction form
    448,403.56/618,801.14 = 247,206.76/x
  3. Step 3: Cross multiply
    448,403.56x = 618,801.14 × 247,206.76
  4. Step 4: Simplify right side
    448,403.56x = 152,971,824,903.71
  5. Step 5: Solve for x
    x = 152,971,824,903.71/448,403.56
  6. Step 6: Final answer
    x = 341,147.66

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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.