Home / 692,295.18-1,038,618.15-212,547.48

Finding the Fourth Proportional to 692,295.18, 1,038,618.15 and 212,547.48

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Solution

The fourth proportional to 692,295.18, 1,038,618.15 and 212,547.48 is: 318,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,295.18 : 1,038,618.15 = 212,547.48 : x
  2. Step 2: Convert to fraction form
    692,295.18/1,038,618.15 = 212,547.48/x
  3. Step 3: Cross multiply
    692,295.18x = 1,038,618.15 × 212,547.48
  4. Step 4: Simplify right side
    692,295.18x = 220,755,670,464.76
  5. Step 5: Solve for x
    x = 220,755,670,464.76/692,295.18
  6. Step 6: Final answer
    x = 318,875.06

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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.