Home / 905,077.77-1,357,595.64-455,677.98

Finding the Fourth Proportional to 905,077.77, 1,357,595.64 and 455,677.98

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Solution

The fourth proportional to 905,077.77, 1,357,595.64 and 455,677.98 is: 683,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,077.77 : 1,357,595.64 = 455,677.98 : x
  2. Step 2: Convert to fraction form
    905,077.77/1,357,595.64 = 455,677.98/x
  3. Step 3: Cross multiply
    905,077.77x = 1,357,595.64 × 455,677.98
  4. Step 4: Simplify right side
    905,077.77x = 618,626,438,892.01
  5. Step 5: Solve for x
    x = 618,626,438,892.01/905,077.77
  6. Step 6: Final answer
    x = 683,506.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.