Home / 851,830.90-1,276,883.70-552,501.47

Finding the Fourth Proportional to 851,830.90, 1,276,883.70 and 552,501.47

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Solution

The fourth proportional to 851,830.90, 1,276,883.70 and 552,501.47 is: 828,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,830.90 : 1,276,883.70 = 552,501.47 : x
  2. Step 2: Convert to fraction form
    851,830.90/1,276,883.70 = 552,501.47/x
  3. Step 3: Cross multiply
    851,830.90x = 1,276,883.70 × 552,501.47
  4. Step 4: Simplify right side
    851,830.90x = 705,480,122,389.37
  5. Step 5: Solve for x
    x = 705,480,122,389.37/851,830.90
  6. Step 6: Final answer
    x = 828,192.69

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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.