Home / 500,070.07-690,095.46-270,626.50

Finding the Fourth Proportional to 500,070.07, 690,095.46 and 270,626.50

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Solution

The fourth proportional to 500,070.07, 690,095.46 and 270,626.50 is: 373,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,070.07 : 690,095.46 = 270,626.50 : x
  2. Step 2: Convert to fraction form
    500,070.07/690,095.46 = 270,626.50/x
  3. Step 3: Cross multiply
    500,070.07x = 690,095.46 × 270,626.50
  4. Step 4: Simplify right side
    500,070.07x = 186,758,119,005.69
  5. Step 5: Solve for x
    x = 186,758,119,005.69/500,070.07
  6. Step 6: Final answer
    x = 373,463.90

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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.