Home / 808,157.76-1,115,240.16-468,657.60

Finding the Fourth Proportional to 808,157.76, 1,115,240.16 and 468,657.60

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Solution

The fourth proportional to 808,157.76, 1,115,240.16 and 468,657.60 is: 646,737.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,157.76 : 1,115,240.16 = 468,657.60 : x
  2. Step 2: Convert to fraction form
    808,157.76/1,115,240.16 = 468,657.60/x
  3. Step 3: Cross multiply
    808,157.76x = 1,115,240.16 × 468,657.60
  4. Step 4: Simplify right side
    808,157.76x = 522,665,776,809.22
  5. Step 5: Solve for x
    x = 522,665,776,809.22/808,157.76
  6. Step 6: Final answer
    x = 646,737.31

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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.