Home / 748,852.80-1,033,431.84-409,335.36

Finding the Fourth Proportional to 748,852.80, 1,033,431.84 and 409,335.36

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Solution

The fourth proportional to 748,852.80, 1,033,431.84 and 409,335.36 is: 564,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,852.80 : 1,033,431.84 = 409,335.36 : x
  2. Step 2: Convert to fraction form
    748,852.80/1,033,431.84 = 409,335.36/x
  3. Step 3: Cross multiply
    748,852.80x = 1,033,431.84 × 409,335.36
  4. Step 4: Simplify right side
    748,852.80x = 423,020,194,261.86
  5. Step 5: Solve for x
    x = 423,020,194,261.86/748,852.80
  6. Step 6: Final answer
    x = 564,890.98

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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.