Home / 676,820.52-1,014,547.22-424,278.02

Finding the Fourth Proportional to 676,820.52, 1,014,547.22 and 424,278.02

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Solution

The fourth proportional to 676,820.52, 1,014,547.22 and 424,278.02 is: 635,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,820.52 : 1,014,547.22 = 424,278.02 : x
  2. Step 2: Convert to fraction form
    676,820.52/1,014,547.22 = 424,278.02/x
  3. Step 3: Cross multiply
    676,820.52x = 1,014,547.22 × 424,278.02
  4. Step 4: Simplify right side
    676,820.52x = 430,450,085,698.10
  5. Step 5: Solve for x
    x = 430,450,085,698.10/676,820.52
  6. Step 6: Final answer
    x = 635,988.53

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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.