Home / 730,203.95-1,007,678.84-403,507.86

Finding the Fourth Proportional to 730,203.95, 1,007,678.84 and 403,507.86

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Solution

The fourth proportional to 730,203.95, 1,007,678.84 and 403,507.86 is: 556,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,203.95 : 1,007,678.84 = 403,507.86 : x
  2. Step 2: Convert to fraction form
    730,203.95/1,007,678.84 = 403,507.86/x
  3. Step 3: Cross multiply
    730,203.95x = 1,007,678.84 × 403,507.86
  4. Step 4: Simplify right side
    730,203.95x = 406,606,330,278.14
  5. Step 5: Solve for x
    x = 406,606,330,278.14/730,203.95
  6. Step 6: Final answer
    x = 556,839.41

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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.