Home / 530,943.74-732,692.15-289,223.58

Finding the Fourth Proportional to 530,943.74, 732,692.15 and 289,223.58

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Solution

The fourth proportional to 530,943.74, 732,692.15 and 289,223.58 is: 399,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,943.74 : 732,692.15 = 289,223.58 : x
  2. Step 2: Convert to fraction form
    530,943.74/732,692.15 = 289,223.58/x
  3. Step 3: Cross multiply
    530,943.74x = 732,692.15 × 289,223.58
  4. Step 4: Simplify right side
    530,943.74x = 211,911,846,660.90
  5. Step 5: Solve for x
    x = 211,911,846,660.90/530,943.74
  6. Step 6: Final answer
    x = 399,122.98

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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.