Home / 1,177.40-1,624.86-705.37

Finding the Fourth Proportional to 1,177.40, 1,624.86 and 705.37

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Solution

The fourth proportional to 1,177.40, 1,624.86 and 705.37 is: 973.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.40 : 1,624.86 = 705.37 : x
  2. Step 2: Convert to fraction form
    1,177.40/1,624.86 = 705.37/x
  3. Step 3: Cross multiply
    1,177.40x = 1,624.86 × 705.37
  4. Step 4: Simplify right side
    1,177.40x = 1,146,127.50
  5. Step 5: Solve for x
    x = 1,146,127.50/1,177.40
  6. Step 6: Final answer
    x = 973.44

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1.5x scale

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.