Home / 778,852.80-1,168,279.20-497,534.40

Finding the Fourth Proportional to 778,852.80, 1,168,279.20 and 497,534.40

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Solution

The fourth proportional to 778,852.80, 1,168,279.20 and 497,534.40 is: 746,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,852.80 : 1,168,279.20 = 497,534.40 : x
  2. Step 2: Convert to fraction form
    778,852.80/1,168,279.20 = 497,534.40/x
  3. Step 3: Cross multiply
    778,852.80x = 1,168,279.20 × 497,534.40
  4. Step 4: Simplify right side
    778,852.80x = 581,259,090,804.48
  5. Step 5: Solve for x
    x = 581,259,090,804.48/778,852.80
  6. Step 6: Final answer
    x = 746,301.60

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Double scale
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Similar ratio
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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.