Home / 972,966.79-1,342,338.37-564,923.35

Finding the Fourth Proportional to 972,966.79, 1,342,338.37 and 564,923.35

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Solution

The fourth proportional to 972,966.79, 1,342,338.37 and 564,923.35 is: 779,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,966.79 : 1,342,338.37 = 564,923.35 : x
  2. Step 2: Convert to fraction form
    972,966.79/1,342,338.37 = 564,923.35/x
  3. Step 3: Cross multiply
    972,966.79x = 1,342,338.37 × 564,923.35
  4. Step 4: Simplify right side
    972,966.79x = 758,318,288,813.94
  5. Step 5: Solve for x
    x = 758,318,288,813.94/972,966.79
  6. Step 6: Final answer
    x = 779,387.64

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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.