Home / 769,434.91-1,061,875.12-425,263.45

Finding the Fourth Proportional to 769,434.91, 1,061,875.12 and 425,263.45

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Solution

The fourth proportional to 769,434.91, 1,061,875.12 and 425,263.45 is: 586,893.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,434.91 : 1,061,875.12 = 425,263.45 : x
  2. Step 2: Convert to fraction form
    769,434.91/1,061,875.12 = 425,263.45/x
  3. Step 3: Cross multiply
    769,434.91x = 1,061,875.12 × 425,263.45
  4. Step 4: Simplify right side
    769,434.91x = 451,576,677,000.36
  5. Step 5: Solve for x
    x = 451,576,677,000.36/769,434.91
  6. Step 6: Final answer
    x = 586,893.93

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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.