Home / 781,386.69-1,170,563.47-575,848.06

Finding the Fourth Proportional to 781,386.69, 1,170,563.47 and 575,848.06

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Solution

The fourth proportional to 781,386.69, 1,170,563.47 and 575,848.06 is: 862,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,386.69 : 1,170,563.47 = 575,848.06 : x
  2. Step 2: Convert to fraction form
    781,386.69/1,170,563.47 = 575,848.06/x
  3. Step 3: Cross multiply
    781,386.69x = 1,170,563.47 × 575,848.06
  4. Step 4: Simplify right side
    781,386.69x = 674,066,703,306.37
  5. Step 5: Solve for x
    x = 674,066,703,306.37/781,386.69
  6. Step 6: Final answer
    x = 862,654.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.