Home / 867,550.24-1,300,888.80-361,980.16

Finding the Fourth Proportional to 867,550.24, 1,300,888.80 and 361,980.16

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Solution

The fourth proportional to 867,550.24, 1,300,888.80 and 361,980.16 is: 542,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,550.24 : 1,300,888.80 = 361,980.16 : x
  2. Step 2: Convert to fraction form
    867,550.24/1,300,888.80 = 361,980.16/x
  3. Step 3: Cross multiply
    867,550.24x = 1,300,888.80 × 361,980.16
  4. Step 4: Simplify right side
    867,550.24x = 470,895,935,966.21
  5. Step 5: Solve for x
    x = 470,895,935,966.21/867,550.24
  6. Step 6: Final answer
    x = 542,788.09

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Double scale
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Similar ratio
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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.