Home / 907,503.99-1,252,335.80-499,590.22

Finding the Fourth Proportional to 907,503.99, 1,252,335.80 and 499,590.22

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Solution

The fourth proportional to 907,503.99, 1,252,335.80 and 499,590.22 is: 689,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,503.99 : 1,252,335.80 = 499,590.22 : x
  2. Step 2: Convert to fraction form
    907,503.99/1,252,335.80 = 499,590.22/x
  3. Step 3: Cross multiply
    907,503.99x = 1,252,335.80 × 499,590.22
  4. Step 4: Simplify right side
    907,503.99x = 625,654,717,835.88
  5. Step 5: Solve for x
    x = 625,654,717,835.88/907,503.99
  6. Step 6: Final answer
    x = 689,423.66

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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.