Home / 813,303.47-1,220,290.17-357,660.47

Finding the Fourth Proportional to 813,303.47, 1,220,290.17 and 357,660.47

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Solution

The fourth proportional to 813,303.47, 1,220,290.17 and 357,660.47 is: 536,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,303.47 : 1,220,290.17 = 357,660.47 : x
  2. Step 2: Convert to fraction form
    813,303.47/1,220,290.17 = 357,660.47/x
  3. Step 3: Cross multiply
    813,303.47x = 1,220,290.17 × 357,660.47
  4. Step 4: Simplify right side
    813,303.47x = 436,449,549,637.13
  5. Step 5: Solve for x
    x = 436,449,549,637.13/813,303.47
  6. Step 6: Final answer
    x = 536,638.01

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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.