Home / 885,688.80-1,326,783.60-529,645.20

Finding the Fourth Proportional to 885,688.80, 1,326,783.60 and 529,645.20

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Solution

The fourth proportional to 885,688.80, 1,326,783.60 and 529,645.20 is: 793,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,688.80 : 1,326,783.60 = 529,645.20 : x
  2. Step 2: Convert to fraction form
    885,688.80/1,326,783.60 = 529,645.20/x
  3. Step 3: Cross multiply
    885,688.80x = 1,326,783.60 × 529,645.20
  4. Step 4: Simplify right side
    885,688.80x = 702,724,565,178.72
  5. Step 5: Solve for x
    x = 702,724,565,178.72/885,688.80
  6. Step 6: Final answer
    x = 793,421.53

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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.