Home / 456,539.02-630,225.60-272,842.39

Finding the Fourth Proportional to 456,539.02, 630,225.60 and 272,842.39

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Solution

The fourth proportional to 456,539.02, 630,225.60 and 272,842.39 is: 376,643.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,539.02 : 630,225.60 = 272,842.39 : x
  2. Step 2: Convert to fraction form
    456,539.02/630,225.60 = 272,842.39/x
  3. Step 3: Cross multiply
    456,539.02x = 630,225.60 × 272,842.39
  4. Step 4: Simplify right side
    456,539.02x = 171,952,258,707.81
  5. Step 5: Solve for x
    x = 171,952,258,707.81/456,539.02
  6. Step 6: Final answer
    x = 376,643.07

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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.