Home / 717,123.42-1,075,434.42-211,550.16

Finding the Fourth Proportional to 717,123.42, 1,075,434.42 and 211,550.16

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Solution

The fourth proportional to 717,123.42, 1,075,434.42 and 211,550.16 is: 317,251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,123.42 : 1,075,434.42 = 211,550.16 : x
  2. Step 2: Convert to fraction form
    717,123.42/1,075,434.42 = 211,550.16/x
  3. Step 3: Cross multiply
    717,123.42x = 1,075,434.42 × 211,550.16
  4. Step 4: Simplify right side
    717,123.42x = 227,508,323,620.51
  5. Step 5: Solve for x
    x = 227,508,323,620.51/717,123.42
  6. Step 6: Final answer
    x = 317,251.28

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Double scale
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1.5x scale

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.