Home / 738,267.60-1,105,068.60-579,637.20

Finding the Fourth Proportional to 738,267.60, 1,105,068.60 and 579,637.20

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Solution

The fourth proportional to 738,267.60, 1,105,068.60 and 579,637.20 is: 867,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,267.60 : 1,105,068.60 = 579,637.20 : x
  2. Step 2: Convert to fraction form
    738,267.60/1,105,068.60 = 579,637.20/x
  3. Step 3: Cross multiply
    738,267.60x = 1,105,068.60 × 579,637.20
  4. Step 4: Simplify right side
    738,267.60x = 640,538,869,111.92
  5. Step 5: Solve for x
    x = 640,538,869,111.92/738,267.60
  6. Step 6: Final answer
    x = 867,624.25

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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.