Home / 713,824.02-1,069,308.45-429,357.51

Finding the Fourth Proportional to 713,824.02, 1,069,308.45 and 429,357.51

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Solution

The fourth proportional to 713,824.02, 1,069,308.45 and 429,357.51 is: 643,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,824.02 : 1,069,308.45 = 429,357.51 : x
  2. Step 2: Convert to fraction form
    713,824.02/1,069,308.45 = 429,357.51/x
  3. Step 3: Cross multiply
    713,824.02x = 1,069,308.45 × 429,357.51
  4. Step 4: Simplify right side
    713,824.02x = 459,115,613,513.96
  5. Step 5: Solve for x
    x = 459,115,613,513.96/713,824.02
  6. Step 6: Final answer
    x = 643,177.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.