Home / 831,205.32-1,146,994.20-468,718.58

Finding the Fourth Proportional to 831,205.32, 1,146,994.20 and 468,718.58

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Solution

The fourth proportional to 831,205.32, 1,146,994.20 and 468,718.58 is: 646,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,205.32 : 1,146,994.20 = 468,718.58 : x
  2. Step 2: Convert to fraction form
    831,205.32/1,146,994.20 = 468,718.58/x
  3. Step 3: Cross multiply
    831,205.32x = 1,146,994.20 × 468,718.58
  4. Step 4: Simplify right side
    831,205.32x = 537,617,486,957.27
  5. Step 5: Solve for x
    x = 537,617,486,957.27/831,205.32
  6. Step 6: Final answer
    x = 646,792.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.