Home / 922,720.69-1,273,352.79-514,798.28

Finding the Fourth Proportional to 922,720.69, 1,273,352.79 and 514,798.28

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Solution

The fourth proportional to 922,720.69, 1,273,352.79 and 514,798.28 is: 710,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,720.69 : 1,273,352.79 = 514,798.28 : x
  2. Step 2: Convert to fraction form
    922,720.69/1,273,352.79 = 514,798.28/x
  3. Step 3: Cross multiply
    922,720.69x = 1,273,352.79 × 514,798.28
  4. Step 4: Simplify right side
    922,720.69x = 655,519,826,125.20
  5. Step 5: Solve for x
    x = 655,519,826,125.20/922,720.69
  6. Step 6: Final answer
    x = 710,420.64

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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.