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Finding the Fourth Proportional to 623,483.84, 860,460.48 and 351,604.16

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Solution

The fourth proportional to 623,483.84, 860,460.48 and 351,604.16 is: 485,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,483.84 : 860,460.48 = 351,604.16 : x
  2. Step 2: Convert to fraction form
    623,483.84/860,460.48 = 351,604.16/x
  3. Step 3: Cross multiply
    623,483.84x = 860,460.48 × 351,604.16
  4. Step 4: Simplify right side
    623,483.84x = 302,541,484,283.60
  5. Step 5: Solve for x
    x = 302,541,484,283.60/623,483.84
  6. Step 6: Final answer
    x = 485,243.51

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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.