Home / 389,111.94-583,492.95-376,864.74

Finding the Fourth Proportional to 389,111.94, 583,492.95 and 376,864.74

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Solution

The fourth proportional to 389,111.94, 583,492.95 and 376,864.74 is: 565,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,111.94 : 583,492.95 = 376,864.74 : x
  2. Step 2: Convert to fraction form
    389,111.94/583,492.95 = 376,864.74/x
  3. Step 3: Cross multiply
    389,111.94x = 583,492.95 × 376,864.74
  4. Step 4: Simplify right side
    389,111.94x = 219,897,918,893.58
  5. Step 5: Solve for x
    x = 219,897,918,893.58/389,111.94
  6. Step 6: Final answer
    x = 565,127.66

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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.