Home / 833,754.04-1,250,008.98-390,418.36

Finding the Fourth Proportional to 833,754.04, 1,250,008.98 and 390,418.36

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Solution

The fourth proportional to 833,754.04, 1,250,008.98 and 390,418.36 is: 585,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,754.04 : 1,250,008.98 = 390,418.36 : x
  2. Step 2: Convert to fraction form
    833,754.04/1,250,008.98 = 390,418.36/x
  3. Step 3: Cross multiply
    833,754.04x = 1,250,008.98 × 390,418.36
  4. Step 4: Simplify right side
    833,754.04x = 488,026,455,956.87
  5. Step 5: Solve for x
    x = 488,026,455,956.87/833,754.04
  6. Step 6: Final answer
    x = 585,336.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.