Home / 905,497.45-1,249,313.94-542,788.97

Finding the Fourth Proportional to 905,497.45, 1,249,313.94 and 542,788.97

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Solution

The fourth proportional to 905,497.45, 1,249,313.94 and 542,788.97 is: 748,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,497.45 : 1,249,313.94 = 542,788.97 : x
  2. Step 2: Convert to fraction form
    905,497.45/1,249,313.94 = 542,788.97/x
  3. Step 3: Cross multiply
    905,497.45x = 1,249,313.94 × 542,788.97
  4. Step 4: Simplify right side
    905,497.45x = 678,113,820,452.67
  5. Step 5: Solve for x
    x = 678,113,820,452.67/905,497.45
  6. Step 6: Final answer
    x = 748,885.40

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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.