Home / 909,113.28-1,254,615.12-506,705.28

Finding the Fourth Proportional to 909,113.28, 1,254,615.12 and 506,705.28

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Solution

The fourth proportional to 909,113.28, 1,254,615.12 and 506,705.28 is: 699,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,113.28 : 1,254,615.12 = 506,705.28 : x
  2. Step 2: Convert to fraction form
    909,113.28/1,254,615.12 = 506,705.28/x
  3. Step 3: Cross multiply
    909,113.28x = 1,254,615.12 × 506,705.28
  4. Step 4: Simplify right side
    909,113.28x = 635,720,105,671.83
  5. Step 5: Solve for x
    x = 635,720,105,671.83/909,113.28
  6. Step 6: Final answer
    x = 699,274.91

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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.