Home / 850,483.61-1,173,611.67-468,510.39

Finding the Fourth Proportional to 850,483.61, 1,173,611.67 and 468,510.39

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Solution

The fourth proportional to 850,483.61, 1,173,611.67 and 468,510.39 is: 646,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,483.61 : 1,173,611.67 = 468,510.39 : x
  2. Step 2: Convert to fraction form
    850,483.61/1,173,611.67 = 468,510.39/x
  3. Step 3: Cross multiply
    850,483.61x = 1,173,611.67 × 468,510.39
  4. Step 4: Simplify right side
    850,483.61x = 549,849,261,220.25
  5. Step 5: Solve for x
    x = 549,849,261,220.25/850,483.61
  6. Step 6: Final answer
    x = 646,513.65

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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.