Home / 761,461.65-1,050,818.22-417,242.88

Finding the Fourth Proportional to 761,461.65, 1,050,818.22 and 417,242.88

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Solution

The fourth proportional to 761,461.65, 1,050,818.22 and 417,242.88 is: 575,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,461.65 : 1,050,818.22 = 417,242.88 : x
  2. Step 2: Convert to fraction form
    761,461.65/1,050,818.22 = 417,242.88/x
  3. Step 3: Cross multiply
    761,461.65x = 1,050,818.22 × 417,242.88
  4. Step 4: Simplify right side
    761,461.65x = 438,446,420,469.27
  5. Step 5: Solve for x
    x = 438,446,420,469.27/761,461.65
  6. Step 6: Final answer
    x = 575,795.80

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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.