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Finding the Fourth Proportional to 562,730.69, 776,642.31 and 320,957.84

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Solution

The fourth proportional to 562,730.69, 776,642.31 and 320,957.84 is: 442,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,730.69 : 776,642.31 = 320,957.84 : x
  2. Step 2: Convert to fraction form
    562,730.69/776,642.31 = 320,957.84/x
  3. Step 3: Cross multiply
    562,730.69x = 776,642.31 × 320,957.84
  4. Step 4: Simplify right side
    562,730.69x = 249,269,440,211.82
  5. Step 5: Solve for x
    x = 249,269,440,211.82/562,730.69
  6. Step 6: Final answer
    x = 442,964.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.