Home / 688,009.70-1,032,014.55-641,353.70

Finding the Fourth Proportional to 688,009.70, 1,032,014.55 and 641,353.70

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Solution

The fourth proportional to 688,009.70, 1,032,014.55 and 641,353.70 is: 962,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,009.70 : 1,032,014.55 = 641,353.70 : x
  2. Step 2: Convert to fraction form
    688,009.70/1,032,014.55 = 641,353.70/x
  3. Step 3: Cross multiply
    688,009.70x = 1,032,014.55 × 641,353.70
  4. Step 4: Simplify right side
    688,009.70x = 661,886,350,096.34
  5. Step 5: Solve for x
    x = 661,886,350,096.34/688,009.70
  6. Step 6: Final answer
    x = 962,030.55

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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.