Home / 761,865.96-1,051,386.88-417,733.32

Finding the Fourth Proportional to 761,865.96, 1,051,386.88 and 417,733.32

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Solution

The fourth proportional to 761,865.96, 1,051,386.88 and 417,733.32 is: 576,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,865.96 : 1,051,386.88 = 417,733.32 : x
  2. Step 2: Convert to fraction form
    761,865.96/1,051,386.88 = 417,733.32/x
  3. Step 3: Cross multiply
    761,865.96x = 1,051,386.88 × 417,733.32
  4. Step 4: Simplify right side
    761,865.96x = 439,199,331,986.84
  5. Step 5: Solve for x
    x = 439,199,331,986.84/761,865.96
  6. Step 6: Final answer
    x = 576,478.48

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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.