Home / 934,420.80-1,402,287.30-402,323.70

Finding the Fourth Proportional to 934,420.80, 1,402,287.30 and 402,323.70

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Solution

The fourth proportional to 934,420.80, 1,402,287.30 and 402,323.70 is: 603,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,420.80 : 1,402,287.30 = 402,323.70 : x
  2. Step 2: Convert to fraction form
    934,420.80/1,402,287.30 = 402,323.70/x
  3. Step 3: Cross multiply
    934,420.80x = 1,402,287.30 × 402,323.70
  4. Step 4: Simplify right side
    934,420.80x = 564,173,414,999.01
  5. Step 5: Solve for x
    x = 564,173,414,999.01/934,420.80
  6. Step 6: Final answer
    x = 603,768.04

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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.