Home / 607,868.12-838,835.33-349,784.92

Finding the Fourth Proportional to 607,868.12, 838,835.33 and 349,784.92

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Solution

The fourth proportional to 607,868.12, 838,835.33 and 349,784.92 is: 482,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,868.12 : 838,835.33 = 349,784.92 : x
  2. Step 2: Convert to fraction form
    607,868.12/838,835.33 = 349,784.92/x
  3. Step 3: Cross multiply
    607,868.12x = 838,835.33 × 349,784.92
  4. Step 4: Simplify right side
    607,868.12x = 293,411,950,457.08
  5. Step 5: Solve for x
    x = 293,411,950,457.08/607,868.12
  6. Step 6: Final answer
    x = 482,690.14

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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.