Home / 830,754.69-1,146,440.03-448,780.29

Finding the Fourth Proportional to 830,754.69, 1,146,440.03 and 448,780.29

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Solution

The fourth proportional to 830,754.69, 1,146,440.03 and 448,780.29 is: 619,316.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,754.69 : 1,146,440.03 = 448,780.29 : x
  2. Step 2: Convert to fraction form
    830,754.69/1,146,440.03 = 448,780.29/x
  3. Step 3: Cross multiply
    830,754.69x = 1,146,440.03 × 448,780.29
  4. Step 4: Simplify right side
    830,754.69x = 514,499,686,887.11
  5. Step 5: Solve for x
    x = 514,499,686,887.11/830,754.69
  6. Step 6: Final answer
    x = 619,316.02

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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.