Home / 730,339.64-1,007,866.02-403,643.48

Finding the Fourth Proportional to 730,339.64, 1,007,866.02 and 403,643.48

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Solution

The fourth proportional to 730,339.64, 1,007,866.02 and 403,643.48 is: 557,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,339.64 : 1,007,866.02 = 403,643.48 : x
  2. Step 2: Convert to fraction form
    730,339.64/1,007,866.02 = 403,643.48/x
  3. Step 3: Cross multiply
    730,339.64x = 1,007,866.02 × 403,643.48
  4. Step 4: Simplify right side
    730,339.64x = 406,818,547,686.55
  5. Step 5: Solve for x
    x = 406,818,547,686.55/730,339.64
  6. Step 6: Final answer
    x = 557,026.52

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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.