Home / 907,045.04-1,251,690.77-499,108.74

Finding the Fourth Proportional to 907,045.04, 1,251,690.77 and 499,108.74

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Solution

The fourth proportional to 907,045.04, 1,251,690.77 and 499,108.74 is: 688,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,045.04 : 1,251,690.77 = 499,108.74 : x
  2. Step 2: Convert to fraction form
    907,045.04/1,251,690.77 = 499,108.74/x
  3. Step 3: Cross multiply
    907,045.04x = 1,251,690.77 × 499,108.74
  4. Step 4: Simplify right side
    907,045.04x = 624,729,799,638.26
  5. Step 5: Solve for x
    x = 624,729,799,638.26/907,045.04
  6. Step 6: Final answer
    x = 688,752.79

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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.