Home / 838,625.36-1,157,323.74-456,672.92

Finding the Fourth Proportional to 838,625.36, 1,157,323.74 and 456,672.92

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Solution

The fourth proportional to 838,625.36, 1,157,323.74 and 456,672.92 is: 630,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,625.36 : 1,157,323.74 = 456,672.92 : x
  2. Step 2: Convert to fraction form
    838,625.36/1,157,323.74 = 456,672.92/x
  3. Step 3: Cross multiply
    838,625.36x = 1,157,323.74 × 456,672.92
  4. Step 4: Simplify right side
    838,625.36x = 528,518,411,731.12
  5. Step 5: Solve for x
    x = 528,518,411,731.12/838,625.36
  6. Step 6: Final answer
    x = 630,219.93

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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.