Home / 390,828.24-586,284.84-124,526.16

Finding the Fourth Proportional to 390,828.24, 586,284.84 and 124,526.16

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Solution

The fourth proportional to 390,828.24, 586,284.84 and 124,526.16 is: 186,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,828.24 : 586,284.84 = 124,526.16 : x
  2. Step 2: Convert to fraction form
    390,828.24/586,284.84 = 124,526.16/x
  3. Step 3: Cross multiply
    390,828.24x = 586,284.84 × 124,526.16
  4. Step 4: Simplify right side
    390,828.24x = 73,007,799,791.41
  5. Step 5: Solve for x
    x = 73,007,799,791.41/390,828.24
  6. Step 6: Final answer
    x = 186,802.78

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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.