Home / 906,510.55-1,250,897.74-498,605.89

Finding the Fourth Proportional to 906,510.55, 1,250,897.74 and 498,605.89

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Solution

The fourth proportional to 906,510.55, 1,250,897.74 and 498,605.89 is: 688,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,510.55 : 1,250,897.74 = 498,605.89 : x
  2. Step 2: Convert to fraction form
    906,510.55/1,250,897.74 = 498,605.89/x
  3. Step 3: Cross multiply
    906,510.55x = 1,250,897.74 × 498,605.89
  4. Step 4: Simplify right side
    906,510.55x = 623,704,980,951.69
  5. Step 5: Solve for x
    x = 623,704,980,951.69/906,510.55
  6. Step 6: Final answer
    x = 688,028.38

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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.