Home / 850,689.75-1,173,938.15-463,510.29

Finding the Fourth Proportional to 850,689.75, 1,173,938.15 and 463,510.29

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Solution

The fourth proportional to 850,689.75, 1,173,938.15 and 463,510.29 is: 639,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,689.75 : 1,173,938.15 = 463,510.29 : x
  2. Step 2: Convert to fraction form
    850,689.75/1,173,938.15 = 463,510.29/x
  3. Step 3: Cross multiply
    850,689.75x = 1,173,938.15 × 463,510.29
  4. Step 4: Simplify right side
    850,689.75x = 544,132,413,507.34
  5. Step 5: Solve for x
    x = 544,132,413,507.34/850,689.75
  6. Step 6: Final answer
    x = 639,636.73

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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.