Home / 808,279.79-1,211,762.16-302,557.50

Finding the Fourth Proportional to 808,279.79, 1,211,762.16 and 302,557.50

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Solution

The fourth proportional to 808,279.79, 1,211,762.16 and 302,557.50 is: 453,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,279.79 : 1,211,762.16 = 302,557.50 : x
  2. Step 2: Convert to fraction form
    808,279.79/1,211,762.16 = 302,557.50/x
  3. Step 3: Cross multiply
    808,279.79x = 1,211,762.16 × 302,557.50
  4. Step 4: Simplify right side
    808,279.79x = 366,627,729,724.20
  5. Step 5: Solve for x
    x = 366,627,729,724.20/808,279.79
  6. Step 6: Final answer
    x = 453,590.13

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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.