Home / 731,495.40-1,009,556.58-409,223.40

Finding the Fourth Proportional to 731,495.40, 1,009,556.58 and 409,223.40

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Solution

The fourth proportional to 731,495.40, 1,009,556.58 and 409,223.40 is: 564,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,495.40 : 1,009,556.58 = 409,223.40 : x
  2. Step 2: Convert to fraction form
    731,495.40/1,009,556.58 = 409,223.40/x
  3. Step 3: Cross multiply
    731,495.40x = 1,009,556.58 × 409,223.40
  4. Step 4: Simplify right side
    731,495.40x = 413,134,176,159.97
  5. Step 5: Solve for x
    x = 413,134,176,159.97/731,495.40
  6. Step 6: Final answer
    x = 564,780.28

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1.5x scale

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.