Home / 438,439.16-604,443.48-277,213.52

Finding the Fourth Proportional to 438,439.16, 604,443.48 and 277,213.52

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Solution

The fourth proportional to 438,439.16, 604,443.48 and 277,213.52 is: 382,173.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,439.16 : 604,443.48 = 277,213.52 : x
  2. Step 2: Convert to fraction form
    438,439.16/604,443.48 = 277,213.52/x
  3. Step 3: Cross multiply
    438,439.16x = 604,443.48 × 277,213.52
  4. Step 4: Simplify right side
    438,439.16x = 167,559,904,731.85
  5. Step 5: Solve for x
    x = 167,559,904,731.85/438,439.16
  6. Step 6: Final answer
    x = 382,173.67

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1.5x scale

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.