Home / 971,309.40-1,456,964.10-306,461.40

Finding the Fourth Proportional to 971,309.40, 1,456,964.10 and 306,461.40

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Solution

The fourth proportional to 971,309.40, 1,456,964.10 and 306,461.40 is: 459,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,309.40 : 1,456,964.10 = 306,461.40 : x
  2. Step 2: Convert to fraction form
    971,309.40/1,456,964.10 = 306,461.40/x
  3. Step 3: Cross multiply
    971,309.40x = 1,456,964.10 × 306,461.40
  4. Step 4: Simplify right side
    971,309.40x = 446,503,257,835.74
  5. Step 5: Solve for x
    x = 446,503,257,835.74/971,309.40
  6. Step 6: Final answer
    x = 459,692.10

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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.