Home / 438,742.11-604,878.62-348,397.14

Finding the Fourth Proportional to 438,742.11, 604,878.62 and 348,397.14

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Solution

The fourth proportional to 438,742.11, 604,878.62 and 348,397.14 is: 480,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,742.11 : 604,878.62 = 348,397.14 : x
  2. Step 2: Convert to fraction form
    438,742.11/604,878.62 = 348,397.14/x
  3. Step 3: Cross multiply
    438,742.11x = 604,878.62 × 348,397.14
  4. Step 4: Simplify right side
    438,742.11x = 210,737,983,741.19
  5. Step 5: Solve for x
    x = 210,737,983,741.19/438,742.11
  6. Step 6: Final answer
    x = 480,323.13

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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.