Home / 778,880.70-1,168,430.40-246,346.20

Finding the Fourth Proportional to 778,880.70, 1,168,430.40 and 246,346.20

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Solution

The fourth proportional to 778,880.70, 1,168,430.40 and 246,346.20 is: 369,553.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,880.70 : 1,168,430.40 = 246,346.20 : x
  2. Step 2: Convert to fraction form
    778,880.70/1,168,430.40 = 246,346.20/x
  3. Step 3: Cross multiply
    778,880.70x = 1,168,430.40 × 246,346.20
  4. Step 4: Simplify right side
    778,880.70x = 287,838,389,004.48
  5. Step 5: Solve for x
    x = 287,838,389,004.48/778,880.70
  6. Step 6: Final answer
    x = 369,553.89

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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.