Home / 549,332.97-758,079.39-304,333.66

Finding the Fourth Proportional to 549,332.97, 758,079.39 and 304,333.66

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Solution

The fourth proportional to 549,332.97, 758,079.39 and 304,333.66 is: 419,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,332.97 : 758,079.39 = 304,333.66 : x
  2. Step 2: Convert to fraction form
    549,332.97/758,079.39 = 304,333.66/x
  3. Step 3: Cross multiply
    549,332.97x = 758,079.39 × 304,333.66
  4. Step 4: Simplify right side
    549,332.97x = 230,709,075,329.27
  5. Step 5: Solve for x
    x = 230,709,075,329.27/549,332.97
  6. Step 6: Final answer
    x = 419,980.39

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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.