Home / 849,489.60-1,172,319.21-462,308.59

Finding the Fourth Proportional to 849,489.60, 1,172,319.21 and 462,308.59

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Solution

The fourth proportional to 849,489.60, 1,172,319.21 and 462,308.59 is: 637,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,489.60 : 1,172,319.21 = 462,308.59 : x
  2. Step 2: Convert to fraction form
    849,489.60/1,172,319.21 = 462,308.59/x
  3. Step 3: Cross multiply
    849,489.60x = 1,172,319.21 × 462,308.59
  4. Step 4: Simplify right side
    849,489.60x = 541,973,242,470.41
  5. Step 5: Solve for x
    x = 541,973,242,470.41/849,489.60
  6. Step 6: Final answer
    x = 637,998.68

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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.