Home / 778,893.60-1,168,218.90-246,545.40

Finding the Fourth Proportional to 778,893.60, 1,168,218.90 and 246,545.40

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Solution

The fourth proportional to 778,893.60, 1,168,218.90 and 246,545.40 is: 369,779.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,893.60 : 1,168,218.90 = 246,545.40 : x
  2. Step 2: Convert to fraction form
    778,893.60/1,168,218.90 = 246,545.40/x
  3. Step 3: Cross multiply
    778,893.60x = 1,168,218.90 × 246,545.40
  4. Step 4: Simplify right side
    778,893.60x = 288,018,995,988.06
  5. Step 5: Solve for x
    x = 288,018,995,988.06/778,893.60
  6. Step 6: Final answer
    x = 369,779.64

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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.