Home / 875,402.25-1,208,147.99-513,130.50

Finding the Fourth Proportional to 875,402.25, 1,208,147.99 and 513,130.50

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Solution

The fourth proportional to 875,402.25, 1,208,147.99 and 513,130.50 is: 708,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,402.25 : 1,208,147.99 = 513,130.50 : x
  2. Step 2: Convert to fraction form
    875,402.25/1,208,147.99 = 513,130.50/x
  3. Step 3: Cross multiply
    875,402.25x = 1,208,147.99 × 513,130.50
  4. Step 4: Simplify right side
    875,402.25x = 619,937,579,617.04
  5. Step 5: Solve for x
    x = 619,937,579,617.04/875,402.25
  6. Step 6: Final answer
    x = 708,174.53

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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.