Home / 838,292.02-1,154,639.29-644,328.82

Finding the Fourth Proportional to 838,292.02, 1,154,639.29 and 644,328.82

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Solution

The fourth proportional to 838,292.02, 1,154,639.29 and 644,328.82 is: 887,479.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,292.02 : 1,154,639.29 = 644,328.82 : x
  2. Step 2: Convert to fraction form
    838,292.02/1,154,639.29 = 644,328.82/x
  3. Step 3: Cross multiply
    838,292.02x = 1,154,639.29 × 644,328.82
  4. Step 4: Simplify right side
    838,292.02x = 743,967,362,256.50
  5. Step 5: Solve for x
    x = 743,967,362,256.50/838,292.02
  6. Step 6: Final answer
    x = 887,479.96

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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.