Home / 729,955.20-1,095,547.20-356,297.60

Finding the Fourth Proportional to 729,955.20, 1,095,547.20 and 356,297.60

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Solution

The fourth proportional to 729,955.20, 1,095,547.20 and 356,297.60 is: 534,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,955.20 : 1,095,547.20 = 356,297.60 : x
  2. Step 2: Convert to fraction form
    729,955.20/1,095,547.20 = 356,297.60/x
  3. Step 3: Cross multiply
    729,955.20x = 1,095,547.20 × 356,297.60
  4. Step 4: Simplify right side
    729,955.20x = 390,340,838,046.72
  5. Step 5: Solve for x
    x = 390,340,838,046.72/729,955.20
  6. Step 6: Final answer
    x = 534,746.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.