Home / 708,688.20-1,063,032.30-620,114.70

Finding the Fourth Proportional to 708,688.20, 1,063,032.30 and 620,114.70

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Solution

The fourth proportional to 708,688.20, 1,063,032.30 and 620,114.70 is: 930,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,688.20 : 1,063,032.30 = 620,114.70 : x
  2. Step 2: Convert to fraction form
    708,688.20/1,063,032.30 = 620,114.70/x
  3. Step 3: Cross multiply
    708,688.20x = 1,063,032.30 × 620,114.70
  4. Step 4: Simplify right side
    708,688.20x = 659,201,955,804.81
  5. Step 5: Solve for x
    x = 659,201,955,804.81/708,688.20
  6. Step 6: Final answer
    x = 930,172.05

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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.