Home / 909,315.01-1,363,232.81-340,377.44

Finding the Fourth Proportional to 909,315.01, 1,363,232.81 and 340,377.44

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Solution

The fourth proportional to 909,315.01, 1,363,232.81 and 340,377.44 is: 510,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,315.01 : 1,363,232.81 = 340,377.44 : x
  2. Step 2: Convert to fraction form
    909,315.01/1,363,232.81 = 340,377.44/x
  3. Step 3: Cross multiply
    909,315.01x = 1,363,232.81 × 340,377.44
  4. Step 4: Simplify right side
    909,315.01x = 464,013,688,881.84
  5. Step 5: Solve for x
    x = 464,013,688,881.84/909,315.01
  6. Step 6: Final answer
    x = 510,289.27

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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.