Home / 428,969.47-592,030.37-247,681.10

Finding the Fourth Proportional to 428,969.47, 592,030.37 and 247,681.10

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Solution

The fourth proportional to 428,969.47, 592,030.37 and 247,681.10 is: 341,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,969.47 : 592,030.37 = 247,681.10 : x
  2. Step 2: Convert to fraction form
    428,969.47/592,030.37 = 247,681.10/x
  3. Step 3: Cross multiply
    428,969.47x = 592,030.37 × 247,681.10
  4. Step 4: Simplify right side
    428,969.47x = 146,634,729,076.45
  5. Step 5: Solve for x
    x = 146,634,729,076.45/428,969.47
  6. Step 6: Final answer
    x = 341,830.22

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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.