Home / 803,464.83-1,109,300.87-497,865.51

Finding the Fourth Proportional to 803,464.83, 1,109,300.87 and 497,865.51

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Solution

The fourth proportional to 803,464.83, 1,109,300.87 and 497,865.51 is: 687,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,464.83 : 1,109,300.87 = 497,865.51 : x
  2. Step 2: Convert to fraction form
    803,464.83/1,109,300.87 = 497,865.51/x
  3. Step 3: Cross multiply
    803,464.83x = 1,109,300.87 × 497,865.51
  4. Step 4: Simplify right side
    803,464.83x = 552,282,635,350.16
  5. Step 5: Solve for x
    x = 552,282,635,350.16/803,464.83
  6. Step 6: Final answer
    x = 687,376.25

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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.