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Finding the Fourth Proportional to 430,699, 594,363.98 and 239,707.80

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Solution

The fourth proportional to 430,699, 594,363.98 and 239,707.80 is: 330,796.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,699 : 594,363.98 = 239,707.80 : x
  2. Step 2: Convert to fraction form
    430,699/594,363.98 = 239,707.80/x
  3. Step 3: Cross multiply
    430,699x = 594,363.98 × 239,707.80
  4. Step 4: Simplify right side
    430,699x = 142,473,682,045.04
  5. Step 5: Solve for x
    x = 142,473,682,045.04/430,699
  6. Step 6: Final answer
    x = 330,796.41

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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.