Home / 790,210.04-1,090,492.56-427,633.81

Finding the Fourth Proportional to 790,210.04, 1,090,492.56 and 427,633.81

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Solution

The fourth proportional to 790,210.04, 1,090,492.56 and 427,633.81 is: 590,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,210.04 : 1,090,492.56 = 427,633.81 : x
  2. Step 2: Convert to fraction form
    790,210.04/1,090,492.56 = 427,633.81/x
  3. Step 3: Cross multiply
    790,210.04x = 1,090,492.56 × 427,633.81
  4. Step 4: Simplify right side
    790,210.04x = 466,331,489,278.54
  5. Step 5: Solve for x
    x = 466,331,489,278.54/790,210.04
  6. Step 6: Final answer
    x = 590,136.12

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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.