Home / 930,381.60-1,395,852.56-290,659.50

Finding the Fourth Proportional to 930,381.60, 1,395,852.56 and 290,659.50

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Solution

The fourth proportional to 930,381.60, 1,395,852.56 and 290,659.50 is: 436,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,381.60 : 1,395,852.56 = 290,659.50 : x
  2. Step 2: Convert to fraction form
    930,381.60/1,395,852.56 = 290,659.50/x
  3. Step 3: Cross multiply
    930,381.60x = 1,395,852.56 × 290,659.50
  4. Step 4: Simplify right side
    930,381.60x = 405,717,798,730.76
  5. Step 5: Solve for x
    x = 405,717,798,730.76/930,381.60
  6. Step 6: Final answer
    x = 436,076.77

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1.5x scale

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.