Home / 670,521.94-1,006,443.87-492,529.30

Finding the Fourth Proportional to 670,521.94, 1,006,443.87 and 492,529.30

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Solution

The fourth proportional to 670,521.94, 1,006,443.87 and 492,529.30 is: 739,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,521.94 : 1,006,443.87 = 492,529.30 : x
  2. Step 2: Convert to fraction form
    670,521.94/1,006,443.87 = 492,529.30/x
  3. Step 3: Cross multiply
    670,521.94x = 1,006,443.87 × 492,529.30
  4. Step 4: Simplify right side
    670,521.94x = 495,703,094,780.39
  5. Step 5: Solve for x
    x = 495,703,094,780.39/670,521.94
  6. Step 6: Final answer
    x = 739,279.46

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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.