Home / 875,804.20-1,208,403.51-531,631.60

Finding the Fourth Proportional to 875,804.20, 1,208,403.51 and 531,631.60

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Solution

The fourth proportional to 875,804.20, 1,208,403.51 and 531,631.60 is: 733,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,804.20 : 1,208,403.51 = 531,631.60 : x
  2. Step 2: Convert to fraction form
    875,804.20/1,208,403.51 = 531,631.60/x
  3. Step 3: Cross multiply
    875,804.20x = 1,208,403.51 × 531,631.60
  4. Step 4: Simplify right side
    875,804.20x = 642,425,496,239.99
  5. Step 5: Solve for x
    x = 642,425,496,239.99/875,804.20
  6. Step 6: Final answer
    x = 733,526.40

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1.5x scale

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.