Home / 672,004.40-1,006,840.20-435,225.20

Finding the Fourth Proportional to 672,004.40, 1,006,840.20 and 435,225.20

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Solution

The fourth proportional to 672,004.40, 1,006,840.20 and 435,225.20 is: 652,082.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,004.40 : 1,006,840.20 = 435,225.20 : x
  2. Step 2: Convert to fraction form
    672,004.40/1,006,840.20 = 435,225.20/x
  3. Step 3: Cross multiply
    672,004.40x = 1,006,840.20 × 435,225.20
  4. Step 4: Simplify right side
    672,004.40x = 438,202,227,413.04
  5. Step 5: Solve for x
    x = 438,202,227,413.04/672,004.40
  6. Step 6: Final answer
    x = 652,082.38

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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.