Home / 761,955.80-1,051,458.60-435,204.65

Finding the Fourth Proportional to 761,955.80, 1,051,458.60 and 435,204.65

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Solution

The fourth proportional to 761,955.80, 1,051,458.60 and 435,204.65 is: 600,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,955.80 : 1,051,458.60 = 435,204.65 : x
  2. Step 2: Convert to fraction form
    761,955.80/1,051,458.60 = 435,204.65/x
  3. Step 3: Cross multiply
    761,955.80x = 1,051,458.60 × 435,204.65
  4. Step 4: Simplify right side
    761,955.80x = 457,599,668,377.21
  5. Step 5: Solve for x
    x = 457,599,668,377.21/761,955.80
  6. Step 6: Final answer
    x = 600,559.34

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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.