Home / 788,277.24-1,087,409.88-497,783.52

Finding the Fourth Proportional to 788,277.24, 1,087,409.88 and 497,783.52

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Solution

The fourth proportional to 788,277.24, 1,087,409.88 and 497,783.52 is: 686,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,277.24 : 1,087,409.88 = 497,783.52 : x
  2. Step 2: Convert to fraction form
    788,277.24/1,087,409.88 = 497,783.52/x
  3. Step 3: Cross multiply
    788,277.24x = 1,087,409.88 × 497,783.52
  4. Step 4: Simplify right side
    788,277.24x = 541,294,717,749.18
  5. Step 5: Solve for x
    x = 541,294,717,749.18/788,277.24
  6. Step 6: Final answer
    x = 686,680.64

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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.