Home / 788,281.50-1,087,832.86-430,585.50

Finding the Fourth Proportional to 788,281.50, 1,087,832.86 and 430,585.50

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Solution

The fourth proportional to 788,281.50, 1,087,832.86 and 430,585.50 is: 594,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,281.50 : 1,087,832.86 = 430,585.50 : x
  2. Step 2: Convert to fraction form
    788,281.50/1,087,832.86 = 430,585.50/x
  3. Step 3: Cross multiply
    788,281.50x = 1,087,832.86 × 430,585.50
  4. Step 4: Simplify right side
    788,281.50x = 468,405,055,939.53
  5. Step 5: Solve for x
    x = 468,405,055,939.53/788,281.50
  6. Step 6: Final answer
    x = 594,210.39

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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.