Home / 955,220.40-1,430,907.26-442,162.35

Finding the Fourth Proportional to 955,220.40, 1,430,907.26 and 442,162.35

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Solution

The fourth proportional to 955,220.40, 1,430,907.26 and 442,162.35 is: 662,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,220.40 : 1,430,907.26 = 442,162.35 : x
  2. Step 2: Convert to fraction form
    955,220.40/1,430,907.26 = 442,162.35/x
  3. Step 3: Cross multiply
    955,220.40x = 1,430,907.26 × 442,162.35
  4. Step 4: Simplify right side
    955,220.40x = 632,693,314,502.85
  5. Step 5: Solve for x
    x = 632,693,314,502.85/955,220.40
  6. Step 6: Final answer
    x = 662,353.23

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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.