Home / 738,141.60-1,106,337.60-382,972.80

Finding the Fourth Proportional to 738,141.60, 1,106,337.60 and 382,972.80

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Solution

The fourth proportional to 738,141.60, 1,106,337.60 and 382,972.80 is: 574,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,141.60 : 1,106,337.60 = 382,972.80 : x
  2. Step 2: Convert to fraction form
    738,141.60/1,106,337.60 = 382,972.80/x
  3. Step 3: Cross multiply
    738,141.60x = 1,106,337.60 × 382,972.80
  4. Step 4: Simplify right side
    738,141.60x = 423,697,208,417.28
  5. Step 5: Solve for x
    x = 423,697,208,417.28/738,141.60
  6. Step 6: Final answer
    x = 574,005.32

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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.