Home / 658,303.40-987,740.36-232,143.72

Finding the Fourth Proportional to 658,303.40, 987,740.36 and 232,143.72

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Solution

The fourth proportional to 658,303.40, 987,740.36 and 232,143.72 is: 348,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,303.40 : 987,740.36 = 232,143.72 : x
  2. Step 2: Convert to fraction form
    658,303.40/987,740.36 = 232,143.72/x
  3. Step 3: Cross multiply
    658,303.40x = 987,740.36 × 232,143.72
  4. Step 4: Simplify right side
    658,303.40x = 229,297,723,126.37
  5. Step 5: Solve for x
    x = 229,297,723,126.37/658,303.40
  6. Step 6: Final answer
    x = 348,316.17

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1.5x scale

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.