Home / 900,904.94-1,243,248.85-493,006.76

Finding the Fourth Proportional to 900,904.94, 1,243,248.85 and 493,006.76

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Solution

The fourth proportional to 900,904.94, 1,243,248.85 and 493,006.76 is: 680,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,904.94 : 1,243,248.85 = 493,006.76 : x
  2. Step 2: Convert to fraction form
    900,904.94/1,243,248.85 = 493,006.76/x
  3. Step 3: Cross multiply
    900,904.94x = 1,243,248.85 × 493,006.76
  4. Step 4: Simplify right side
    900,904.94x = 612,930,087,412.23
  5. Step 5: Solve for x
    x = 612,930,087,412.23/900,904.94
  6. Step 6: Final answer
    x = 680,349.35

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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.