Home / 714,803.31-1,077,225.10-643,814.91

Finding the Fourth Proportional to 714,803.31, 1,077,225.10 and 643,814.91

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Solution

The fourth proportional to 714,803.31, 1,077,225.10 and 643,814.91 is: 970,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,803.31 : 1,077,225.10 = 643,814.91 : x
  2. Step 2: Convert to fraction form
    714,803.31/1,077,225.10 = 643,814.91/x
  3. Step 3: Cross multiply
    714,803.31x = 1,077,225.10 × 643,814.91
  4. Step 4: Simplify right side
    714,803.31x = 693,533,579,196.70
  5. Step 5: Solve for x
    x = 693,533,579,196.70/714,803.31
  6. Step 6: Final answer
    x = 970,243.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.