Home / 830,671.32-1,146,326.88-448,698.11

Finding the Fourth Proportional to 830,671.32, 1,146,326.88 and 448,698.11

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Solution

The fourth proportional to 830,671.32, 1,146,326.88 and 448,698.11 is: 619,203.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,671.32 : 1,146,326.88 = 448,698.11 : x
  2. Step 2: Convert to fraction form
    830,671.32/1,146,326.88 = 448,698.11/x
  3. Step 3: Cross multiply
    830,671.32x = 1,146,326.88 × 448,698.11
  4. Step 4: Simplify right side
    830,671.32x = 514,354,698,766.56
  5. Step 5: Solve for x
    x = 514,354,698,766.56/830,671.32
  6. Step 6: Final answer
    x = 619,203.63

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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.