Home / 830,666.34-1,146,319.37-448,693.13

Finding the Fourth Proportional to 830,666.34, 1,146,319.37 and 448,693.13

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Solution

The fourth proportional to 830,666.34, 1,146,319.37 and 448,693.13 is: 619,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,666.34 : 1,146,319.37 = 448,693.13 : x
  2. Step 2: Convert to fraction form
    830,666.34/1,146,319.37 = 448,693.13/x
  3. Step 3: Cross multiply
    830,666.34x = 1,146,319.37 × 448,693.13
  4. Step 4: Simplify right side
    830,666.34x = 514,345,621,495.06
  5. Step 5: Solve for x
    x = 514,345,621,495.06/830,666.34
  6. Step 6: Final answer
    x = 619,196.42

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Double scale
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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.