Home / 903,688.83-1,355,543.01-272,608.11

Finding the Fourth Proportional to 903,688.83, 1,355,543.01 and 272,608.11

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Solution

The fourth proportional to 903,688.83, 1,355,543.01 and 272,608.11 is: 408,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,688.83 : 1,355,543.01 = 272,608.11 : x
  2. Step 2: Convert to fraction form
    903,688.83/1,355,543.01 = 272,608.11/x
  3. Step 3: Cross multiply
    903,688.83x = 1,355,543.01 × 272,608.11
  4. Step 4: Simplify right side
    903,688.83x = 369,532,017,979.81
  5. Step 5: Solve for x
    x = 369,532,017,979.81/903,688.83
  6. Step 6: Final answer
    x = 408,915.11

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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.