Home / 770,259.68-1,062,600.15-498,415.32

Finding the Fourth Proportional to 770,259.68, 1,062,600.15 and 498,415.32

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Solution

The fourth proportional to 770,259.68, 1,062,600.15 and 498,415.32 is: 687,581.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,259.68 : 1,062,600.15 = 498,415.32 : x
  2. Step 2: Convert to fraction form
    770,259.68/1,062,600.15 = 498,415.32/x
  3. Step 3: Cross multiply
    770,259.68x = 1,062,600.15 × 498,415.32
  4. Step 4: Simplify right side
    770,259.68x = 529,616,195,663.36
  5. Step 5: Solve for x
    x = 529,616,195,663.36/770,259.68
  6. Step 6: Final answer
    x = 687,581.36

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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.