Home / 634,839.39-876,075.95-348,364.26

Finding the Fourth Proportional to 634,839.39, 876,075.95 and 348,364.26

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Solution

The fourth proportional to 634,839.39, 876,075.95 and 348,364.26 is: 480,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,839.39 : 876,075.95 = 348,364.26 : x
  2. Step 2: Convert to fraction form
    634,839.39/876,075.95 = 348,364.26/x
  3. Step 3: Cross multiply
    634,839.39x = 876,075.95 × 348,364.26
  4. Step 4: Simplify right side
    634,839.39x = 305,193,550,896.46
  5. Step 5: Solve for x
    x = 305,193,550,896.46/634,839.39
  6. Step 6: Final answer
    x = 480,741.36

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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.