Home / 975,344.84-1,345,977.85-545,632.15

Finding the Fourth Proportional to 975,344.84, 1,345,977.85 and 545,632.15

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Solution

The fourth proportional to 975,344.84, 1,345,977.85 and 545,632.15 is: 752,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,344.84 : 1,345,977.85 = 545,632.15 : x
  2. Step 2: Convert to fraction form
    975,344.84/1,345,977.85 = 545,632.15/x
  3. Step 3: Cross multiply
    975,344.84x = 1,345,977.85 × 545,632.15
  4. Step 4: Simplify right side
    975,344.84x = 734,408,781,417.99
  5. Step 5: Solve for x
    x = 734,408,781,417.99/975,344.84
  6. Step 6: Final answer
    x = 752,973.46

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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.