Home / 589,721.80-884,582.70-579,880.30

Finding the Fourth Proportional to 589,721.80, 884,582.70 and 579,880.30

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Solution

The fourth proportional to 589,721.80, 884,582.70 and 579,880.30 is: 869,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,721.80 : 884,582.70 = 579,880.30 : x
  2. Step 2: Convert to fraction form
    589,721.80/884,582.70 = 579,880.30/x
  3. Step 3: Cross multiply
    589,721.80x = 884,582.70 × 579,880.30
  4. Step 4: Simplify right side
    589,721.80x = 512,952,081,450.81
  5. Step 5: Solve for x
    x = 512,952,081,450.81/589,721.80
  6. Step 6: Final answer
    x = 869,820.45

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Double scale
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Similar ratio
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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.