Home / 623,429.63-860,315.68-351,495.15

Finding the Fourth Proportional to 623,429.63, 860,315.68 and 351,495.15

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Solution

The fourth proportional to 623,429.63, 860,315.68 and 351,495.15 is: 485,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,429.63 : 860,315.68 = 351,495.15 : x
  2. Step 2: Convert to fraction form
    623,429.63/860,315.68 = 351,495.15/x
  3. Step 3: Cross multiply
    623,429.63x = 860,315.68 × 351,495.15
  4. Step 4: Simplify right side
    623,429.63x = 302,396,786,202.14
  5. Step 5: Solve for x
    x = 302,396,786,202.14/623,429.63
  6. Step 6: Final answer
    x = 485,053.60

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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.