Home / 388,567.22-532,338.95-374,005.65

Finding the Fourth Proportional to 388,567.22, 532,338.95 and 374,005.65

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Solution

The fourth proportional to 388,567.22, 532,338.95 and 374,005.65 is: 512,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,567.22 : 532,338.95 = 374,005.65 : x
  2. Step 2: Convert to fraction form
    388,567.22/532,338.95 = 374,005.65/x
  3. Step 3: Cross multiply
    388,567.22x = 532,338.95 × 374,005.65
  4. Step 4: Simplify right side
    388,567.22x = 199,097,775,015.07
  5. Step 5: Solve for x
    x = 199,097,775,015.07/388,567.22
  6. Step 6: Final answer
    x = 512,389.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.