Home / 876,807.45-1,209,650.02-509,222.02

Finding the Fourth Proportional to 876,807.45, 1,209,650.02 and 509,222.02

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Solution

The fourth proportional to 876,807.45, 1,209,650.02 and 509,222.02 is: 702,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,807.45 : 1,209,650.02 = 509,222.02 : x
  2. Step 2: Convert to fraction form
    876,807.45/1,209,650.02 = 509,222.02/x
  3. Step 3: Cross multiply
    876,807.45x = 1,209,650.02 × 509,222.02
  4. Step 4: Simplify right side
    876,807.45x = 615,980,422,320.37
  5. Step 5: Solve for x
    x = 615,980,422,320.37/876,807.45
  6. Step 6: Final answer
    x = 702,526.45

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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.