Home / 749,368.50-1,124,421.80-349,951.20

Finding the Fourth Proportional to 749,368.50, 1,124,421.80 and 349,951.20

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Solution

The fourth proportional to 749,368.50, 1,124,421.80 and 349,951.20 is: 525,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,368.50 : 1,124,421.80 = 349,951.20 : x
  2. Step 2: Convert to fraction form
    749,368.50/1,124,421.80 = 349,951.20/x
  3. Step 3: Cross multiply
    749,368.50x = 1,124,421.80 × 349,951.20
  4. Step 4: Simplify right side
    749,368.50x = 393,492,756,466.40
  5. Step 5: Solve for x
    x = 393,492,756,466.40/749,368.50
  6. Step 6: Final answer
    x = 525,099.14

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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.