Home / 830,754.94-1,146,440.37-448,780.54

Finding the Fourth Proportional to 830,754.94, 1,146,440.37 and 448,780.54

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Solution

The fourth proportional to 830,754.94, 1,146,440.37 and 448,780.54 is: 619,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,754.94 : 1,146,440.37 = 448,780.54 : x
  2. Step 2: Convert to fraction form
    830,754.94/1,146,440.37 = 448,780.54/x
  3. Step 3: Cross multiply
    830,754.94x = 1,146,440.37 × 448,780.54
  4. Step 4: Simplify right side
    830,754.94x = 514,500,128,326.40
  5. Step 5: Solve for x
    x = 514,500,128,326.40/830,754.94
  6. Step 6: Final answer
    x = 619,316.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.