Home / 913,330.20-1,260,393.90-510,922.20

Finding the Fourth Proportional to 913,330.20, 1,260,393.90 and 510,922.20

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Solution

The fourth proportional to 913,330.20, 1,260,393.90 and 510,922.20 is: 705,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,330.20 : 1,260,393.90 = 510,922.20 : x
  2. Step 2: Convert to fraction form
    913,330.20/1,260,393.90 = 510,922.20/x
  3. Step 3: Cross multiply
    913,330.20x = 1,260,393.90 × 510,922.20
  4. Step 4: Simplify right side
    913,330.20x = 643,963,224,254.58
  5. Step 5: Solve for x
    x = 643,963,224,254.58/913,330.20
  6. Step 6: Final answer
    x = 705,071.64

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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.