Home / 765,246.04-1,055,754.30-478,657.24

Finding the Fourth Proportional to 765,246.04, 1,055,754.30 and 478,657.24

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Solution

The fourth proportional to 765,246.04, 1,055,754.30 and 478,657.24 is: 660,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,246.04 : 1,055,754.30 = 478,657.24 : x
  2. Step 2: Convert to fraction form
    765,246.04/1,055,754.30 = 478,657.24/x
  3. Step 3: Cross multiply
    765,246.04x = 1,055,754.30 × 478,657.24
  4. Step 4: Simplify right side
    765,246.04x = 505,344,439,356.13
  5. Step 5: Solve for x
    x = 505,344,439,356.13/765,246.04
  6. Step 6: Final answer
    x = 660,368.58

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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.