Home / 975,163.86-1,345,184.55-567,219.78

Finding the Fourth Proportional to 975,163.86, 1,345,184.55 and 567,219.78

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Solution

The fourth proportional to 975,163.86, 1,345,184.55 and 567,219.78 is: 782,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,163.86 : 1,345,184.55 = 567,219.78 : x
  2. Step 2: Convert to fraction form
    975,163.86/1,345,184.55 = 567,219.78/x
  3. Step 3: Cross multiply
    975,163.86x = 1,345,184.55 × 567,219.78
  4. Step 4: Simplify right side
    975,163.86x = 763,015,284,510.40
  5. Step 5: Solve for x
    x = 763,015,284,510.40/975,163.86
  6. Step 6: Final answer
    x = 782,448.28

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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.