Home / 727,148.42-1,003,506.21-436,848.77

Finding the Fourth Proportional to 727,148.42, 1,003,506.21 and 436,848.77

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Solution

The fourth proportional to 727,148.42, 1,003,506.21 and 436,848.77 is: 602,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,148.42 : 1,003,506.21 = 436,848.77 : x
  2. Step 2: Convert to fraction form
    727,148.42/1,003,506.21 = 436,848.77/x
  3. Step 3: Cross multiply
    727,148.42x = 1,003,506.21 × 436,848.77
  4. Step 4: Simplify right side
    727,148.42x = 438,380,448,508.33
  5. Step 5: Solve for x
    x = 438,380,448,508.33/727,148.42
  6. Step 6: Final answer
    x = 602,876.17

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Double scale
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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.