Home / 790,513.63-1,090,901.42-427,928.16

Finding the Fourth Proportional to 790,513.63, 1,090,901.42 and 427,928.16

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Solution

The fourth proportional to 790,513.63, 1,090,901.42 and 427,928.16 is: 590,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,513.63 : 1,090,901.42 = 427,928.16 : x
  2. Step 2: Convert to fraction form
    790,513.63/1,090,901.42 = 427,928.16/x
  3. Step 3: Cross multiply
    790,513.63x = 1,090,901.42 × 427,928.16
  4. Step 4: Simplify right side
    790,513.63x = 466,827,440,957.96
  5. Step 5: Solve for x
    x = 466,827,440,957.96/790,513.63
  6. Step 6: Final answer
    x = 590,536.87

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1.5x scale

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.