Home / 790,444.67-1,185,855.65-257,966.69

Finding the Fourth Proportional to 790,444.67, 1,185,855.65 and 257,966.69

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Solution

The fourth proportional to 790,444.67, 1,185,855.65 and 257,966.69 is: 387,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,444.67 : 1,185,855.65 = 257,966.69 : x
  2. Step 2: Convert to fraction form
    790,444.67/1,185,855.65 = 257,966.69/x
  3. Step 3: Cross multiply
    790,444.67x = 1,185,855.65 × 257,966.69
  4. Step 4: Simplify right side
    790,444.67x = 305,911,256,848.30
  5. Step 5: Solve for x
    x = 305,911,256,848.30/790,444.67
  6. Step 6: Final answer
    x = 387,011.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.