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Finding the Fourth Proportional to 536,706, 740,638.62 and 294,988.50

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Solution

The fourth proportional to 536,706, 740,638.62 and 294,988.50 is: 407,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,706 : 740,638.62 = 294,988.50 : x
  2. Step 2: Convert to fraction form
    536,706/740,638.62 = 294,988.50/x
  3. Step 3: Cross multiply
    536,706x = 740,638.62 × 294,988.50
  4. Step 4: Simplify right side
    536,706x = 218,479,875,555.87
  5. Step 5: Solve for x
    x = 218,479,875,555.87/536,706
  6. Step 6: Final answer
    x = 407,075.52

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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.