Home / 778,068.76-1,073,739.77-433,926.54

Finding the Fourth Proportional to 778,068.76, 1,073,739.77 and 433,926.54

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Solution

The fourth proportional to 778,068.76, 1,073,739.77 and 433,926.54 is: 598,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,068.76 : 1,073,739.77 = 433,926.54 : x
  2. Step 2: Convert to fraction form
    778,068.76/1,073,739.77 = 433,926.54/x
  3. Step 3: Cross multiply
    778,068.76x = 1,073,739.77 × 433,926.54
  4. Step 4: Simplify right side
    778,068.76x = 465,924,186,954.40
  5. Step 5: Solve for x
    x = 465,924,186,954.40/778,068.76
  6. Step 6: Final answer
    x = 598,821.35

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1.5x scale

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.