Home / 841,531.80-1,262,297.70-272,911.80

Finding the Fourth Proportional to 841,531.80, 1,262,297.70 and 272,911.80

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Solution

The fourth proportional to 841,531.80, 1,262,297.70 and 272,911.80 is: 409,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,531.80 : 1,262,297.70 = 272,911.80 : x
  2. Step 2: Convert to fraction form
    841,531.80/1,262,297.70 = 272,911.80/x
  3. Step 3: Cross multiply
    841,531.80x = 1,262,297.70 × 272,911.80
  4. Step 4: Simplify right side
    841,531.80x = 344,495,937,442.86
  5. Step 5: Solve for x
    x = 344,495,937,442.86/841,531.80
  6. Step 6: Final answer
    x = 409,367.70

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1.5x scale

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.