Home / 501,643.04-692,267.32-275,288.48

Finding the Fourth Proportional to 501,643.04, 692,267.32 and 275,288.48

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Solution

The fourth proportional to 501,643.04, 692,267.32 and 275,288.48 is: 379,898.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,643.04 : 692,267.32 = 275,288.48 : x
  2. Step 2: Convert to fraction form
    501,643.04/692,267.32 = 275,288.48/x
  3. Step 3: Cross multiply
    501,643.04x = 692,267.32 × 275,288.48
  4. Step 4: Simplify right side
    501,643.04x = 190,573,218,276.47
  5. Step 5: Solve for x
    x = 190,573,218,276.47/501,643.04
  6. Step 6: Final answer
    x = 379,898.06

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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.