Home / 972,702.08-1,342,092.48-570,216.32

Finding the Fourth Proportional to 972,702.08, 1,342,092.48 and 570,216.32

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Solution

The fourth proportional to 972,702.08, 1,342,092.48 and 570,216.32 is: 786,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,702.08 : 1,342,092.48 = 570,216.32 : x
  2. Step 2: Convert to fraction form
    972,702.08/1,342,092.48 = 570,216.32/x
  3. Step 3: Cross multiply
    972,702.08x = 1,342,092.48 × 570,216.32
  4. Step 4: Simplify right side
    972,702.08x = 765,283,035,045.27
  5. Step 5: Solve for x
    x = 765,283,035,045.27/972,702.08
  6. Step 6: Final answer
    x = 786,759.95

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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.