Home / 851,456.90-1,277,102.42-346,048.18

Finding the Fourth Proportional to 851,456.90, 1,277,102.42 and 346,048.18

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Solution

The fourth proportional to 851,456.90, 1,277,102.42 and 346,048.18 is: 519,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,456.90 : 1,277,102.42 = 346,048.18 : x
  2. Step 2: Convert to fraction form
    851,456.90/1,277,102.42 = 346,048.18/x
  3. Step 3: Cross multiply
    851,456.90x = 1,277,102.42 × 346,048.18
  4. Step 4: Simplify right side
    851,456.90x = 441,938,968,114.60
  5. Step 5: Solve for x
    x = 441,938,968,114.60/851,456.90
  6. Step 6: Final answer
    x = 519,038.57

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Double scale
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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.