Home / 788,199.50-1,087,719.64-430,503.50

Finding the Fourth Proportional to 788,199.50, 1,087,719.64 and 430,503.50

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Solution

The fourth proportional to 788,199.50, 1,087,719.64 and 430,503.50 is: 594,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,199.50 : 1,087,719.64 = 430,503.50 : x
  2. Step 2: Convert to fraction form
    788,199.50/1,087,719.64 = 430,503.50/x
  3. Step 3: Cross multiply
    788,199.50x = 1,087,719.64 × 430,503.50
  4. Step 4: Simplify right side
    788,199.50x = 468,267,112,038.74
  5. Step 5: Solve for x
    x = 468,267,112,038.74/788,199.50
  6. Step 6: Final answer
    x = 594,097.19

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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.