Home / 438,300.76-604,839.18-275,045.32

Finding the Fourth Proportional to 438,300.76, 604,839.18 and 275,045.32

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Solution

The fourth proportional to 438,300.76, 604,839.18 and 275,045.32 is: 379,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,300.76 : 604,839.18 = 275,045.32 : x
  2. Step 2: Convert to fraction form
    438,300.76/604,839.18 = 275,045.32/x
  3. Step 3: Cross multiply
    438,300.76x = 604,839.18 × 275,045.32
  4. Step 4: Simplify right side
    438,300.76x = 166,358,185,811.64
  5. Step 5: Solve for x
    x = 166,358,185,811.64/438,300.76
  6. Step 6: Final answer
    x = 379,552.58

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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.