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Finding the Fourth Proportional to 779,798.71, 1,169,809.63 and 240,100.64

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Solution

The fourth proportional to 779,798.71, 1,169,809.63 and 240,100.64 is: 360,185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,798.71 : 1,169,809.63 = 240,100.64 : x
  2. Step 2: Convert to fraction form
    779,798.71/1,169,809.63 = 240,100.64/x
  3. Step 3: Cross multiply
    779,798.71x = 1,169,809.63 × 240,100.64
  4. Step 4: Simplify right side
    779,798.71x = 280,872,038,778.65
  5. Step 5: Solve for x
    x = 280,872,038,778.65/779,798.71
  6. Step 6: Final answer
    x = 360,185.31

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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.