Home / 749,327.09-1,124,359.70-349,909.82

Finding the Fourth Proportional to 749,327.09, 1,124,359.70 and 349,909.82

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Solution

The fourth proportional to 749,327.09, 1,124,359.70 and 349,909.82 is: 525,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,327.09 : 1,124,359.70 = 349,909.82 : x
  2. Step 2: Convert to fraction form
    749,327.09/1,124,359.70 = 349,909.82/x
  3. Step 3: Cross multiply
    749,327.09x = 1,124,359.70 × 349,909.82
  4. Step 4: Simplify right side
    749,327.09x = 393,424,492,870.91
  5. Step 5: Solve for x
    x = 393,424,492,870.91/749,327.09
  6. Step 6: Final answer
    x = 525,037.06

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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.