Home / 456,756.30-630,316.04-252,802.86

Finding the Fourth Proportional to 456,756.30, 630,316.04 and 252,802.86

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Solution

The fourth proportional to 456,756.30, 630,316.04 and 252,802.86 is: 348,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,756.30 : 630,316.04 = 252,802.86 : x
  2. Step 2: Convert to fraction form
    456,756.30/630,316.04 = 252,802.86/x
  3. Step 3: Cross multiply
    456,756.30x = 630,316.04 × 252,802.86
  4. Step 4: Simplify right side
    456,756.30x = 159,345,696,351.86
  5. Step 5: Solve for x
    x = 159,345,696,351.86/456,756.30
  6. Step 6: Final answer
    x = 348,863.71

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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.