Home / 830,028.26-1,145,481.65-507,637.13

Finding the Fourth Proportional to 830,028.26, 1,145,481.65 and 507,637.13

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Solution

The fourth proportional to 830,028.26, 1,145,481.65 and 507,637.13 is: 700,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,028.26 : 1,145,481.65 = 507,637.13 : x
  2. Step 2: Convert to fraction form
    830,028.26/1,145,481.65 = 507,637.13/x
  3. Step 3: Cross multiply
    830,028.26x = 1,145,481.65 × 507,637.13
  4. Step 4: Simplify right side
    830,028.26x = 581,489,010,911.71
  5. Step 5: Solve for x
    x = 581,489,010,911.71/830,028.26
  6. Step 6: Final answer
    x = 700,565.31

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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.