Home / 761,102.56-1,050,308.40-421,563.52

Finding the Fourth Proportional to 761,102.56, 1,050,308.40 and 421,563.52

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Solution

The fourth proportional to 761,102.56, 1,050,308.40 and 421,563.52 is: 581,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,102.56 : 1,050,308.40 = 421,563.52 : x
  2. Step 2: Convert to fraction form
    761,102.56/1,050,308.40 = 421,563.52/x
  3. Step 3: Cross multiply
    761,102.56x = 1,050,308.40 × 421,563.52
  4. Step 4: Simplify right side
    761,102.56x = 442,771,706,189.57
  5. Step 5: Solve for x
    x = 442,771,706,189.57/761,102.56
  6. Step 6: Final answer
    x = 581,750.38

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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.