Home / 947,612.44-1,307,707.50-517,897.72

Finding the Fourth Proportional to 947,612.44, 1,307,707.50 and 517,897.72

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Solution

The fourth proportional to 947,612.44, 1,307,707.50 and 517,897.72 is: 714,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,612.44 : 1,307,707.50 = 517,897.72 : x
  2. Step 2: Convert to fraction form
    947,612.44/1,307,707.50 = 517,897.72/x
  3. Step 3: Cross multiply
    947,612.44x = 1,307,707.50 × 517,897.72
  4. Step 4: Simplify right side
    947,612.44x = 677,258,732,676.90
  5. Step 5: Solve for x
    x = 677,258,732,676.90/947,612.44
  6. Step 6: Final answer
    x = 714,700.13

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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.