Home / 774,561.60-1,161,842.40-432,077.40

Finding the Fourth Proportional to 774,561.60, 1,161,842.40 and 432,077.40

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Solution

The fourth proportional to 774,561.60, 1,161,842.40 and 432,077.40 is: 648,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,561.60 : 1,161,842.40 = 432,077.40 : x
  2. Step 2: Convert to fraction form
    774,561.60/1,161,842.40 = 432,077.40/x
  3. Step 3: Cross multiply
    774,561.60x = 1,161,842.40 × 432,077.40
  4. Step 4: Simplify right side
    774,561.60x = 502,005,843,401.76
  5. Step 5: Solve for x
    x = 502,005,843,401.76/774,561.60
  6. Step 6: Final answer
    x = 648,116.10

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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.