Home / 648,462.51-971,389.67-323,269.38

Finding the Fourth Proportional to 648,462.51, 971,389.67 and 323,269.38

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Solution

The fourth proportional to 648,462.51, 971,389.67 and 323,269.38 is: 484,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,462.51 : 971,389.67 = 323,269.38 : x
  2. Step 2: Convert to fraction form
    648,462.51/971,389.67 = 323,269.38/x
  3. Step 3: Cross multiply
    648,462.51x = 971,389.67 × 323,269.38
  4. Step 4: Simplify right side
    648,462.51x = 314,020,534,742.96
  5. Step 5: Solve for x
    x = 314,020,534,742.96/648,462.51
  6. Step 6: Final answer
    x = 484,253.95

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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.