Home / 634,104.53-875,075.52-343,725.61

Finding the Fourth Proportional to 634,104.53, 875,075.52 and 343,725.61

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Solution

The fourth proportional to 634,104.53, 875,075.52 and 343,725.61 is: 474,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,104.53 : 875,075.52 = 343,725.61 : x
  2. Step 2: Convert to fraction form
    634,104.53/875,075.52 = 343,725.61/x
  3. Step 3: Cross multiply
    634,104.53x = 875,075.52 × 343,725.61
  4. Step 4: Simplify right side
    634,104.53x = 300,785,866,908.07
  5. Step 5: Solve for x
    x = 300,785,866,908.07/634,104.53
  6. Step 6: Final answer
    x = 474,347.45

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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.