Home / 746,259.48-1,029,838.46-423,970.20

Finding the Fourth Proportional to 746,259.48, 1,029,838.46 and 423,970.20

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Solution

The fourth proportional to 746,259.48, 1,029,838.46 and 423,970.20 is: 585,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,259.48 : 1,029,838.46 = 423,970.20 : x
  2. Step 2: Convert to fraction form
    746,259.48/1,029,838.46 = 423,970.20/x
  3. Step 3: Cross multiply
    746,259.48x = 1,029,838.46 × 423,970.20
  4. Step 4: Simplify right side
    746,259.48x = 436,620,815,734.04
  5. Step 5: Solve for x
    x = 436,620,815,734.04/746,259.48
  6. Step 6: Final answer
    x = 585,079.09

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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.