Home / 971,438.90-1,340,587.05-535,846.52

Finding the Fourth Proportional to 971,438.90, 1,340,587.05 and 535,846.52

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Solution

The fourth proportional to 971,438.90, 1,340,587.05 and 535,846.52 is: 739,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,438.90 : 1,340,587.05 = 535,846.52 : x
  2. Step 2: Convert to fraction form
    971,438.90/1,340,587.05 = 535,846.52/x
  3. Step 3: Cross multiply
    971,438.90x = 1,340,587.05 × 535,846.52
  4. Step 4: Simplify right side
    971,438.90x = 718,348,905,499.57
  5. Step 5: Solve for x
    x = 718,348,905,499.57/971,438.90
  6. Step 6: Final answer
    x = 739,468.95

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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.