Home / 855,407.89-1,180,444.65-468,223.21

Finding the Fourth Proportional to 855,407.89, 1,180,444.65 and 468,223.21

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Solution

The fourth proportional to 855,407.89, 1,180,444.65 and 468,223.21 is: 646,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,407.89 : 1,180,444.65 = 468,223.21 : x
  2. Step 2: Convert to fraction form
    855,407.89/1,180,444.65 = 468,223.21/x
  3. Step 3: Cross multiply
    855,407.89x = 1,180,444.65 × 468,223.21
  4. Step 4: Simplify right side
    855,407.89x = 552,711,583,250.33
  5. Step 5: Solve for x
    x = 552,711,583,250.33/855,407.89
  6. Step 6: Final answer
    x = 646,138.05

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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.