Home / 434,017.40-598,678.98-286,842.02

Finding the Fourth Proportional to 434,017.40, 598,678.98 and 286,842.02

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Solution

The fourth proportional to 434,017.40, 598,678.98 and 286,842.02 is: 395,666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,017.40 : 598,678.98 = 286,842.02 : x
  2. Step 2: Convert to fraction form
    434,017.40/598,678.98 = 286,842.02/x
  3. Step 3: Cross multiply
    434,017.40x = 598,678.98 × 286,842.02
  4. Step 4: Simplify right side
    434,017.40x = 171,726,287,954.74
  5. Step 5: Solve for x
    x = 171,726,287,954.74/434,017.40
  6. Step 6: Final answer
    x = 395,666.83

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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.