Home / 790,139.16-1,090,394.93-427,563.02

Finding the Fourth Proportional to 790,139.16, 1,090,394.93 and 427,563.02

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Solution

The fourth proportional to 790,139.16, 1,090,394.93 and 427,563.02 is: 590,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,139.16 : 1,090,394.93 = 427,563.02 : x
  2. Step 2: Convert to fraction form
    790,139.16/1,090,394.93 = 427,563.02/x
  3. Step 3: Cross multiply
    790,139.16x = 1,090,394.93 × 427,563.02
  4. Step 4: Simplify right side
    790,139.16x = 466,212,547,366.04
  5. Step 5: Solve for x
    x = 466,212,547,366.04/790,139.16
  6. Step 6: Final answer
    x = 590,038.53

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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.