Home / 700,201.80-1,050,302.70-638,200.35

Finding the Fourth Proportional to 700,201.80, 1,050,302.70 and 638,200.35

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Solution

The fourth proportional to 700,201.80, 1,050,302.70 and 638,200.35 is: 957,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,201.80 : 1,050,302.70 = 638,200.35 : x
  2. Step 2: Convert to fraction form
    700,201.80/1,050,302.70 = 638,200.35/x
  3. Step 3: Cross multiply
    700,201.80x = 1,050,302.70 × 638,200.35
  4. Step 4: Simplify right side
    700,201.80x = 670,303,550,745.95
  5. Step 5: Solve for x
    x = 670,303,550,745.95/700,201.80
  6. Step 6: Final answer
    x = 957,300.53

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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.