Home / 787,510.96-1,180,741.56-382,595.20

Finding the Fourth Proportional to 787,510.96, 1,180,741.56 and 382,595.20

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Solution

The fourth proportional to 787,510.96, 1,180,741.56 and 382,595.20 is: 573,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,510.96 : 1,180,741.56 = 382,595.20 : x
  2. Step 2: Convert to fraction form
    787,510.96/1,180,741.56 = 382,595.20/x
  3. Step 3: Cross multiply
    787,510.96x = 1,180,741.56 × 382,595.20
  4. Step 4: Simplify right side
    787,510.96x = 451,746,053,296.51
  5. Step 5: Solve for x
    x = 451,746,053,296.51/787,510.96
  6. Step 6: Final answer
    x = 573,637.80

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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.