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Finding the Fourth Proportional to 558,662.76, 770,970.69 and 304,030.08

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Solution

The fourth proportional to 558,662.76, 770,970.69 and 304,030.08 is: 419,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,662.76 : 770,970.69 = 304,030.08 : x
  2. Step 2: Convert to fraction form
    558,662.76/770,970.69 = 304,030.08/x
  3. Step 3: Cross multiply
    558,662.76x = 770,970.69 × 304,030.08
  4. Step 4: Simplify right side
    558,662.76x = 234,398,280,558.36
  5. Step 5: Solve for x
    x = 234,398,280,558.36/558,662.76
  6. Step 6: Final answer
    x = 419,570.26

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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.