Home / 456,756.39-630,325.05-252,821.34

Finding the Fourth Proportional to 456,756.39, 630,325.05 and 252,821.34

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Solution

The fourth proportional to 456,756.39, 630,325.05 and 252,821.34 is: 348,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,756.39 : 630,325.05 = 252,821.34 : x
  2. Step 2: Convert to fraction form
    456,756.39/630,325.05 = 252,821.34/x
  3. Step 3: Cross multiply
    456,756.39x = 630,325.05 × 252,821.34
  4. Step 4: Simplify right side
    456,756.39x = 159,359,623,776.57
  5. Step 5: Solve for x
    x = 159,359,623,776.57/456,756.39
  6. Step 6: Final answer
    x = 348,894.13

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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.