Home / 875,530.94-1,208,420.56-553,035.92

Finding the Fourth Proportional to 875,530.94, 1,208,420.56 and 553,035.92

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Solution

The fourth proportional to 875,530.94, 1,208,420.56 and 553,035.92 is: 763,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,530.94 : 1,208,420.56 = 553,035.92 : x
  2. Step 2: Convert to fraction form
    875,530.94/1,208,420.56 = 553,035.92/x
  3. Step 3: Cross multiply
    875,530.94x = 1,208,420.56 × 553,035.92
  4. Step 4: Simplify right side
    875,530.94x = 668,299,968,721.82
  5. Step 5: Solve for x
    x = 668,299,968,721.82/875,530.94
  6. Step 6: Final answer
    x = 763,308.23

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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.