Home / 947,776.34-1,421,737.95-316,692.38

Finding the Fourth Proportional to 947,776.34, 1,421,737.95 and 316,692.38

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Solution

The fourth proportional to 947,776.34, 1,421,737.95 and 316,692.38 is: 475,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,776.34 : 1,421,737.95 = 316,692.38 : x
  2. Step 2: Convert to fraction form
    947,776.34/1,421,737.95 = 316,692.38/x
  3. Step 3: Cross multiply
    947,776.34x = 1,421,737.95 × 316,692.38
  4. Step 4: Simplify right side
    947,776.34x = 450,253,575,121.82
  5. Step 5: Solve for x
    x = 450,253,575,121.82/947,776.34
  6. Step 6: Final answer
    x = 475,063.11

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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.