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Finding the Fourth Proportional to 425,426.80, 594,810.20 and 425,426.80

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Solution

The fourth proportional to 425,426.80, 594,810.20 and 425,426.80 is: 594,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,426.80 : 594,810.20 = 425,426.80 : x
  2. Step 2: Convert to fraction form
    425,426.80/594,810.20 = 425,426.80/x
  3. Step 3: Cross multiply
    425,426.80x = 594,810.20 × 425,426.80
  4. Step 4: Simplify right side
    425,426.80x = 253,048,199,993.36
  5. Step 5: Solve for x
    x = 253,048,199,993.36/425,426.80
  6. Step 6: Final answer
    x = 594,810.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.