Home / 975,324.79-1,345,894.07-545,521.88

Finding the Fourth Proportional to 975,324.79, 1,345,894.07 and 545,521.88

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Solution

The fourth proportional to 975,324.79, 1,345,894.07 and 545,521.88 is: 752,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,324.79 : 1,345,894.07 = 545,521.88 : x
  2. Step 2: Convert to fraction form
    975,324.79/1,345,894.07 = 545,521.88/x
  3. Step 3: Cross multiply
    975,324.79x = 1,345,894.07 × 545,521.88
  4. Step 4: Simplify right side
    975,324.79x = 734,214,668,075.79
  5. Step 5: Solve for x
    x = 734,214,668,075.79/975,324.79
  6. Step 6: Final answer
    x = 752,789.92

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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.