Home / 916,621.79-1,374,985.22-242,685.59

Finding the Fourth Proportional to 916,621.79, 1,374,985.22 and 242,685.59

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Solution

The fourth proportional to 916,621.79, 1,374,985.22 and 242,685.59 is: 364,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,621.79 : 1,374,985.22 = 242,685.59 : x
  2. Step 2: Convert to fraction form
    916,621.79/1,374,985.22 = 242,685.59/x
  3. Step 3: Cross multiply
    916,621.79x = 1,374,985.22 × 242,685.59
  4. Step 4: Simplify right side
    916,621.79x = 333,689,101,581.02
  5. Step 5: Solve for x
    x = 333,689,101,581.02/916,621.79
  6. Step 6: Final answer
    x = 364,042.30

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1.5x scale

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.