Home / 717,587.26-1,075,068.15-338,820.82

Finding the Fourth Proportional to 717,587.26, 1,075,068.15 and 338,820.82

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Solution

The fourth proportional to 717,587.26, 1,075,068.15 and 338,820.82 is: 507,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,587.26 : 1,075,068.15 = 338,820.82 : x
  2. Step 2: Convert to fraction form
    717,587.26/1,075,068.15 = 338,820.82/x
  3. Step 3: Cross multiply
    717,587.26x = 1,075,068.15 × 338,820.82
  4. Step 4: Simplify right side
    717,587.26x = 364,255,472,138.88
  5. Step 5: Solve for x
    x = 364,255,472,138.88/717,587.26
  6. Step 6: Final answer
    x = 507,611.40

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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.