Home / 745,703.96-1,028,719.38-504,070.76

Finding the Fourth Proportional to 745,703.96, 1,028,719.38 and 504,070.76

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Solution

The fourth proportional to 745,703.96, 1,028,719.38 and 504,070.76 is: 695,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,703.96 : 1,028,719.38 = 504,070.76 : x
  2. Step 2: Convert to fraction form
    745,703.96/1,028,719.38 = 504,070.76/x
  3. Step 3: Cross multiply
    745,703.96x = 1,028,719.38 × 504,070.76
  4. Step 4: Simplify right side
    745,703.96x = 518,547,359,703.33
  5. Step 5: Solve for x
    x = 518,547,359,703.33/745,703.96
  6. Step 6: Final answer
    x = 695,379.65

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Double scale
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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.