Home / 643,323.92-965,075.16-373,579.52

Finding the Fourth Proportional to 643,323.92, 965,075.16 and 373,579.52

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Solution

The fourth proportional to 643,323.92, 965,075.16 and 373,579.52 is: 560,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,323.92 : 965,075.16 = 373,579.52 : x
  2. Step 2: Convert to fraction form
    643,323.92/965,075.16 = 373,579.52/x
  3. Step 3: Cross multiply
    643,323.92x = 965,075.16 × 373,579.52
  4. Step 4: Simplify right side
    643,323.92x = 360,532,315,036.72
  5. Step 5: Solve for x
    x = 360,532,315,036.72/643,323.92
  6. Step 6: Final answer
    x = 560,421.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.