Home / 500,623.40-750,939.82-121,547.50

Finding the Fourth Proportional to 500,623.40, 750,939.82 and 121,547.50

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Solution

The fourth proportional to 500,623.40, 750,939.82 and 121,547.50 is: 182,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,623.40 : 750,939.82 = 121,547.50 : x
  2. Step 2: Convert to fraction form
    500,623.40/750,939.82 = 121,547.50/x
  3. Step 3: Cross multiply
    500,623.40x = 750,939.82 × 121,547.50
  4. Step 4: Simplify right side
    500,623.40x = 91,274,857,771.45
  5. Step 5: Solve for x
    x = 91,274,857,771.45/500,623.40
  6. Step 6: Final answer
    x = 182,322.40

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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.