Home / 742,496.96-1,024,646.32-402,965.20

Finding the Fourth Proportional to 742,496.96, 1,024,646.32 and 402,965.20

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Solution

The fourth proportional to 742,496.96, 1,024,646.32 and 402,965.20 is: 556,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,496.96 : 1,024,646.32 = 402,965.20 : x
  2. Step 2: Convert to fraction form
    742,496.96/1,024,646.32 = 402,965.20/x
  3. Step 3: Cross multiply
    742,496.96x = 1,024,646.32 × 402,965.20
  4. Step 4: Simplify right side
    742,496.96x = 412,896,809,268.06
  5. Step 5: Solve for x
    x = 412,896,809,268.06/742,496.96
  6. Step 6: Final answer
    x = 556,092.26

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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.