Home / 674,003.40-1,011,005.10-622,681.80

Finding the Fourth Proportional to 674,003.40, 1,011,005.10 and 622,681.80

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Solution

The fourth proportional to 674,003.40, 1,011,005.10 and 622,681.80 is: 934,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,003.40 : 1,011,005.10 = 622,681.80 : x
  2. Step 2: Convert to fraction form
    674,003.40/1,011,005.10 = 622,681.80/x
  3. Step 3: Cross multiply
    674,003.40x = 1,011,005.10 × 622,681.80
  4. Step 4: Simplify right side
    674,003.40x = 629,534,475,477.18
  5. Step 5: Solve for x
    x = 629,534,475,477.18/674,003.40
  6. Step 6: Final answer
    x = 934,022.70

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1.5x scale

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.