Home / 807,054.92-1,113,699.86-462,643.93

Finding the Fourth Proportional to 807,054.92, 1,113,699.86 and 462,643.93

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Solution

The fourth proportional to 807,054.92, 1,113,699.86 and 462,643.93 is: 638,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,054.92 : 1,113,699.86 = 462,643.93 : x
  2. Step 2: Convert to fraction form
    807,054.92/1,113,699.86 = 462,643.93/x
  3. Step 3: Cross multiply
    807,054.92x = 1,113,699.86 × 462,643.93
  4. Step 4: Simplify right side
    807,054.92x = 515,246,480,541.88
  5. Step 5: Solve for x
    x = 515,246,480,541.88/807,054.92
  6. Step 6: Final answer
    x = 638,428.03

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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.