Home / 740,030.58-1,021,241.79-417,743.46

Finding the Fourth Proportional to 740,030.58, 1,021,241.79 and 417,743.46

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Solution

The fourth proportional to 740,030.58, 1,021,241.79 and 417,743.46 is: 576,485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,030.58 : 1,021,241.79 = 417,743.46 : x
  2. Step 2: Convert to fraction form
    740,030.58/1,021,241.79 = 417,743.46/x
  3. Step 3: Cross multiply
    740,030.58x = 1,021,241.79 × 417,743.46
  4. Step 4: Simplify right side
    740,030.58x = 426,617,078,851.19
  5. Step 5: Solve for x
    x = 426,617,078,851.19/740,030.58
  6. Step 6: Final answer
    x = 576,485.74

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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.