Home / 797,412.47-1,100,455.77-434,856.16

Finding the Fourth Proportional to 797,412.47, 1,100,455.77 and 434,856.16

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Solution

The fourth proportional to 797,412.47, 1,100,455.77 and 434,856.16 is: 600,115.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,412.47 : 1,100,455.77 = 434,856.16 : x
  2. Step 2: Convert to fraction form
    797,412.47/1,100,455.77 = 434,856.16/x
  3. Step 3: Cross multiply
    797,412.47x = 1,100,455.77 × 434,856.16
  4. Step 4: Simplify right side
    797,412.47x = 478,539,973,398.32
  5. Step 5: Solve for x
    x = 478,539,973,398.32/797,412.47
  6. Step 6: Final answer
    x = 600,115.99

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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.