Home / 855,685.30-1,180,798.90-468,425.82

Finding the Fourth Proportional to 855,685.30, 1,180,798.90 and 468,425.82

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Solution

The fourth proportional to 855,685.30, 1,180,798.90 and 468,425.82 is: 646,402.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,685.30 : 1,180,798.90 = 468,425.82 : x
  2. Step 2: Convert to fraction form
    855,685.30/1,180,798.90 = 468,425.82/x
  3. Step 3: Cross multiply
    855,685.30x = 1,180,798.90 × 468,425.82
  4. Step 4: Simplify right side
    855,685.30x = 553,116,692,987.60
  5. Step 5: Solve for x
    x = 553,116,692,987.60/855,685.30
  6. Step 6: Final answer
    x = 646,402.00

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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.