Home / 690,962.18-1,036,582.59-291,603.38

Finding the Fourth Proportional to 690,962.18, 1,036,582.59 and 291,603.38

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Solution

The fourth proportional to 690,962.18, 1,036,582.59 and 291,603.38 is: 437,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,962.18 : 1,036,582.59 = 291,603.38 : x
  2. Step 2: Convert to fraction form
    690,962.18/1,036,582.59 = 291,603.38/x
  3. Step 3: Cross multiply
    690,962.18x = 1,036,582.59 × 291,603.38
  4. Step 4: Simplify right side
    690,962.18x = 302,270,986,893.15
  5. Step 5: Solve for x
    x = 302,270,986,893.15/690,962.18
  6. Step 6: Final answer
    x = 437,463.87

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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.