Home / 830,670.19-1,146,325.32-448,696.97

Finding the Fourth Proportional to 830,670.19, 1,146,325.32 and 448,696.97

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Solution

The fourth proportional to 830,670.19, 1,146,325.32 and 448,696.97 is: 619,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,670.19 : 1,146,325.32 = 448,696.97 : x
  2. Step 2: Convert to fraction form
    830,670.19/1,146,325.32 = 448,696.97/x
  3. Step 3: Cross multiply
    830,670.19x = 1,146,325.32 × 448,696.97
  4. Step 4: Simplify right side
    830,670.19x = 514,352,697,718.28
  5. Step 5: Solve for x
    x = 514,352,697,718.28/830,670.19
  6. Step 6: Final answer
    x = 619,202.07

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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.