Home / 571,411.16-788,387.80-450,176.14

Finding the Fourth Proportional to 571,411.16, 788,387.80 and 450,176.14

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Solution

The fourth proportional to 571,411.16, 788,387.80 and 450,176.14 is: 621,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,411.16 : 788,387.80 = 450,176.14 : x
  2. Step 2: Convert to fraction form
    571,411.16/788,387.80 = 450,176.14/x
  3. Step 3: Cross multiply
    571,411.16x = 788,387.80 × 450,176.14
  4. Step 4: Simplify right side
    571,411.16x = 354,913,376,627.09
  5. Step 5: Solve for x
    x = 354,913,376,627.09/571,411.16
  6. Step 6: Final answer
    x = 621,117.33

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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.