Home / 830,715.36-1,146,388.24-448,742.16

Finding the Fourth Proportional to 830,715.36, 1,146,388.24 and 448,742.16

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Solution

The fourth proportional to 830,715.36, 1,146,388.24 and 448,742.16 is: 619,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,715.36 : 1,146,388.24 = 448,742.16 : x
  2. Step 2: Convert to fraction form
    830,715.36/1,146,388.24 = 448,742.16/x
  3. Step 3: Cross multiply
    830,715.36x = 1,146,388.24 × 448,742.16
  4. Step 4: Simplify right side
    830,715.36x = 514,432,735,016.20
  5. Step 5: Solve for x
    x = 514,432,735,016.20/830,715.36
  6. Step 6: Final answer
    x = 619,264.74

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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.