Home / 878,890.48-1,210,699.62-749,407.54

Finding the Fourth Proportional to 878,890.48, 1,210,699.62 and 749,407.54

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Solution

The fourth proportional to 878,890.48, 1,210,699.62 and 749,407.54 is: 1,032,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,890.48 : 1,210,699.62 = 749,407.54 : x
  2. Step 2: Convert to fraction form
    878,890.48/1,210,699.62 = 749,407.54/x
  3. Step 3: Cross multiply
    878,890.48x = 1,210,699.62 × 749,407.54
  4. Step 4: Simplify right side
    878,890.48x = 907,307,423,903.14
  5. Step 5: Solve for x
    x = 907,307,423,903.14/878,890.48
  6. Step 6: Final answer
    x = 1,032,332.75

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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.