Home / 788,909.04-1,088,917.56-466,731.72

Finding the Fourth Proportional to 788,909.04, 1,088,917.56 and 466,731.72

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Solution

The fourth proportional to 788,909.04, 1,088,917.56 and 466,731.72 is: 644,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,909.04 : 1,088,917.56 = 466,731.72 : x
  2. Step 2: Convert to fraction form
    788,909.04/1,088,917.56 = 466,731.72/x
  3. Step 3: Cross multiply
    788,909.04x = 1,088,917.56 × 466,731.72
  4. Step 4: Simplify right side
    788,909.04x = 508,232,365,717.00
  5. Step 5: Solve for x
    x = 508,232,365,717.00/788,909.04
  6. Step 6: Final answer
    x = 644,221.75

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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.