Home / 903,086.40-1,246,315.14-500,678.40

Finding the Fourth Proportional to 903,086.40, 1,246,315.14 and 500,678.40

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Solution

The fourth proportional to 903,086.40, 1,246,315.14 and 500,678.40 is: 690,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,086.40 : 1,246,315.14 = 500,678.40 : x
  2. Step 2: Convert to fraction form
    903,086.40/1,246,315.14 = 500,678.40/x
  3. Step 3: Cross multiply
    903,086.40x = 1,246,315.14 × 500,678.40
  4. Step 4: Simplify right side
    903,086.40x = 624,003,070,190.98
  5. Step 5: Solve for x
    x = 624,003,070,190.98/903,086.40
  6. Step 6: Final answer
    x = 690,967.19

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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.