Home / 456,836.90-630,427.29-252,883.51

Finding the Fourth Proportional to 456,836.90, 630,427.29 and 252,883.51

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Solution

The fourth proportional to 456,836.90, 630,427.29 and 252,883.51 is: 348,975.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,836.90 : 630,427.29 = 252,883.51 : x
  2. Step 2: Convert to fraction form
    456,836.90/630,427.29 = 252,883.51/x
  3. Step 3: Cross multiply
    456,836.90x = 630,427.29 × 252,883.51
  4. Step 4: Simplify right side
    456,836.90x = 159,424,665,894.99
  5. Step 5: Solve for x
    x = 159,424,665,894.99/456,836.90
  6. Step 6: Final answer
    x = 348,975.02

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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.