Home / 562,986.76-776,973.18-308,374.60

Finding the Fourth Proportional to 562,986.76, 776,973.18 and 308,374.60

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Solution

The fourth proportional to 562,986.76, 776,973.18 and 308,374.60 is: 425,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,986.76 : 776,973.18 = 308,374.60 : x
  2. Step 2: Convert to fraction form
    562,986.76/776,973.18 = 308,374.60/x
  3. Step 3: Cross multiply
    562,986.76x = 776,973.18 × 308,374.60
  4. Step 4: Simplify right side
    562,986.76x = 239,598,793,593.23
  5. Step 5: Solve for x
    x = 239,598,793,593.23/562,986.76
  6. Step 6: Final answer
    x = 425,585.13

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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.