Home / 907,484.84-1,252,307.78-505,068.20

Finding the Fourth Proportional to 907,484.84, 1,252,307.78 and 505,068.20

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Solution

The fourth proportional to 907,484.84, 1,252,307.78 and 505,068.20 is: 696,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,484.84 : 1,252,307.78 = 505,068.20 : x
  2. Step 2: Convert to fraction form
    907,484.84/1,252,307.78 = 505,068.20/x
  3. Step 3: Cross multiply
    907,484.84x = 1,252,307.78 × 505,068.20
  4. Step 4: Simplify right side
    907,484.84x = 632,500,836,290.60
  5. Step 5: Solve for x
    x = 632,500,836,290.60/907,484.84
  6. Step 6: Final answer
    x = 696,982.26

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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.