Home / 658,389.49-908,574.66-368,000.64

Finding the Fourth Proportional to 658,389.49, 908,574.66 and 368,000.64

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Solution

The fourth proportional to 658,389.49, 908,574.66 and 368,000.64 is: 507,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,389.49 : 908,574.66 = 368,000.64 : x
  2. Step 2: Convert to fraction form
    658,389.49/908,574.66 = 368,000.64/x
  3. Step 3: Cross multiply
    658,389.49x = 908,574.66 × 368,000.64
  4. Step 4: Simplify right side
    658,389.49x = 334,356,056,367.78
  5. Step 5: Solve for x
    x = 334,356,056,367.78/658,389.49
  6. Step 6: Final answer
    x = 507,839.30

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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.