Home / 788,495.50-1,088,123.79-430,799.50

Finding the Fourth Proportional to 788,495.50, 1,088,123.79 and 430,799.50

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Solution

The fourth proportional to 788,495.50, 1,088,123.79 and 430,799.50 is: 594,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,495.50 : 1,088,123.79 = 430,799.50 : x
  2. Step 2: Convert to fraction form
    788,495.50/1,088,123.79 = 430,799.50/x
  3. Step 3: Cross multiply
    788,495.50x = 1,088,123.79 × 430,799.50
  4. Step 4: Simplify right side
    788,495.50x = 468,763,184,670.11
  5. Step 5: Solve for x
    x = 468,763,184,670.11/788,495.50
  6. Step 6: Final answer
    x = 594,503.31

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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.