Home / 745,667.03-1,028,693.17-503,861.51

Finding the Fourth Proportional to 745,667.03, 1,028,693.17 and 503,861.51

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Solution

The fourth proportional to 745,667.03, 1,028,693.17 and 503,861.51 is: 695,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,667.03 : 1,028,693.17 = 503,861.51 : x
  2. Step 2: Convert to fraction form
    745,667.03/1,028,693.17 = 503,861.51/x
  3. Step 3: Cross multiply
    745,667.03x = 1,028,693.17 × 503,861.51
  4. Step 4: Simplify right side
    745,667.03x = 518,318,893,962.89
  5. Step 5: Solve for x
    x = 518,318,893,962.89/745,667.03
  6. Step 6: Final answer
    x = 695,107.70

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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.