Home / 778,023.72-1,164,931.20-403,259.40

Finding the Fourth Proportional to 778,023.72, 1,164,931.20 and 403,259.40

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Solution

The fourth proportional to 778,023.72, 1,164,931.20 and 403,259.40 is: 603,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,023.72 : 1,164,931.20 = 403,259.40 : x
  2. Step 2: Convert to fraction form
    778,023.72/1,164,931.20 = 403,259.40/x
  3. Step 3: Cross multiply
    778,023.72x = 1,164,931.20 × 403,259.40
  4. Step 4: Simplify right side
    778,023.72x = 469,769,456,753.28
  5. Step 5: Solve for x
    x = 469,769,456,753.28/778,023.72
  6. Step 6: Final answer
    x = 603,798.37

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1.5x scale

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.