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Finding the Fourth Proportional to 713,606.70, 1,070,410.05 and 293,184.30

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Solution

The fourth proportional to 713,606.70, 1,070,410.05 and 293,184.30 is: 439,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,606.70 : 1,070,410.05 = 293,184.30 : x
  2. Step 2: Convert to fraction form
    713,606.70/1,070,410.05 = 293,184.30/x
  3. Step 3: Cross multiply
    713,606.70x = 1,070,410.05 × 293,184.30
  4. Step 4: Simplify right side
    713,606.70x = 313,827,421,222.22
  5. Step 5: Solve for x
    x = 313,827,421,222.22/713,606.70
  6. Step 6: Final answer
    x = 439,776.45

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Similar ratio
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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.