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Finding the Fourth Proportional to 973.77, 1,462.08 and 607.45

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Solution

The fourth proportional to 973.77, 1,462.08 and 607.45 is: 912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.77 : 1,462.08 = 607.45 : x
  2. Step 2: Convert to fraction form
    973.77/1,462.08 = 607.45/x
  3. Step 3: Cross multiply
    973.77x = 1,462.08 × 607.45
  4. Step 4: Simplify right side
    973.77x = 888,140.50
  5. Step 5: Solve for x
    x = 888,140.50/973.77
  6. Step 6: Final answer
    x = 912.06

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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.