Home / 740,208.48-1,021,478.73-417,932.16

Finding the Fourth Proportional to 740,208.48, 1,021,478.73 and 417,932.16

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Solution

The fourth proportional to 740,208.48, 1,021,478.73 and 417,932.16 is: 576,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,208.48 : 1,021,478.73 = 417,932.16 : x
  2. Step 2: Convert to fraction form
    740,208.48/1,021,478.73 = 417,932.16/x
  3. Step 3: Cross multiply
    740,208.48x = 1,021,478.73 × 417,932.16
  4. Step 4: Simplify right side
    740,208.48x = 426,908,812,022.96
  5. Step 5: Solve for x
    x = 426,908,812,022.96/740,208.48
  6. Step 6: Final answer
    x = 576,741.31

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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.