Home / 724,445.65-1,086,225.39-345,482.29

Finding the Fourth Proportional to 724,445.65, 1,086,225.39 and 345,482.29

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Solution

The fourth proportional to 724,445.65, 1,086,225.39 and 345,482.29 is: 518,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,445.65 : 1,086,225.39 = 345,482.29 : x
  2. Step 2: Convert to fraction form
    724,445.65/1,086,225.39 = 345,482.29/x
  3. Step 3: Cross multiply
    724,445.65x = 1,086,225.39 × 345,482.29
  4. Step 4: Simplify right side
    724,445.65x = 375,271,632,477.78
  5. Step 5: Solve for x
    x = 375,271,632,477.78/724,445.65
  6. Step 6: Final answer
    x = 518,012.13

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Double scale
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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.