Home / 788,813.55-1,088,649.19-457,742.41

Finding the Fourth Proportional to 788,813.55, 1,088,649.19 and 457,742.41

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Solution

The fourth proportional to 788,813.55, 1,088,649.19 and 457,742.41 is: 631,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,813.55 : 1,088,649.19 = 457,742.41 : x
  2. Step 2: Convert to fraction form
    788,813.55/1,088,649.19 = 457,742.41/x
  3. Step 3: Cross multiply
    788,813.55x = 1,088,649.19 × 457,742.41
  4. Step 4: Simplify right side
    788,813.55x = 498,320,903,875.15
  5. Step 5: Solve for x
    x = 498,320,903,875.15/788,813.55
  6. Step 6: Final answer
    x = 631,734.72

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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.