Home / 900,656.48-1,242,702.60-538,009.54

Finding the Fourth Proportional to 900,656.48, 1,242,702.60 and 538,009.54

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Solution

The fourth proportional to 900,656.48, 1,242,702.60 and 538,009.54 is: 742,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,656.48 : 1,242,702.60 = 538,009.54 : x
  2. Step 2: Convert to fraction form
    900,656.48/1,242,702.60 = 538,009.54/x
  3. Step 3: Cross multiply
    900,656.48x = 1,242,702.60 × 538,009.54
  4. Step 4: Simplify right side
    900,656.48x = 668,585,854,182.80
  5. Step 5: Solve for x
    x = 668,585,854,182.80/900,656.48
  6. Step 6: Final answer
    x = 742,331.70

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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.