Home / 855,272.76-1,180,261.36-492,695.52

Finding the Fourth Proportional to 855,272.76, 1,180,261.36 and 492,695.52

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Solution

The fourth proportional to 855,272.76, 1,180,261.36 and 492,695.52 is: 679,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,272.76 : 1,180,261.36 = 492,695.52 : x
  2. Step 2: Convert to fraction form
    855,272.76/1,180,261.36 = 492,695.52/x
  3. Step 3: Cross multiply
    855,272.76x = 1,180,261.36 × 492,695.52
  4. Step 4: Simplify right side
    855,272.76x = 581,509,484,501.11
  5. Step 5: Solve for x
    x = 581,509,484,501.11/855,272.76
  6. Step 6: Final answer
    x = 679,911.15

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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.