Home / 905,599.02-1,249,737.99-497,745.42

Finding the Fourth Proportional to 905,599.02, 1,249,737.99 and 497,745.42

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Solution

The fourth proportional to 905,599.02, 1,249,737.99 and 497,745.42 is: 686,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,599.02 : 1,249,737.99 = 497,745.42 : x
  2. Step 2: Convert to fraction form
    905,599.02/1,249,737.99 = 497,745.42/x
  3. Step 3: Cross multiply
    905,599.02x = 1,249,737.99 × 497,745.42
  4. Step 4: Simplify right side
    905,599.02x = 622,051,360,722.51
  5. Step 5: Solve for x
    x = 622,051,360,722.51/905,599.02
  6. Step 6: Final answer
    x = 686,894.91

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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.