Home / 840,501.79-1,159,869.50-458,528.47

Finding the Fourth Proportional to 840,501.79, 1,159,869.50 and 458,528.47

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Solution

The fourth proportional to 840,501.79, 1,159,869.50 and 458,528.47 is: 632,756.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,501.79 : 1,159,869.50 = 458,528.47 : x
  2. Step 2: Convert to fraction form
    840,501.79/1,159,869.50 = 458,528.47/x
  3. Step 3: Cross multiply
    840,501.79x = 1,159,869.50 × 458,528.47
  4. Step 4: Simplify right side
    840,501.79x = 531,833,181,435.32
  5. Step 5: Solve for x
    x = 531,833,181,435.32/840,501.79
  6. Step 6: Final answer
    x = 632,756.75

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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.