Home / 936,044.55-1,402,938.90-429,907.14

Finding the Fourth Proportional to 936,044.55, 1,402,938.90 and 429,907.14

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Solution

The fourth proportional to 936,044.55, 1,402,938.90 and 429,907.14 is: 644,342.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,044.55 : 1,402,938.90 = 429,907.14 : x
  2. Step 2: Convert to fraction form
    936,044.55/1,402,938.90 = 429,907.14/x
  3. Step 3: Cross multiply
    936,044.55x = 1,402,938.90 × 429,907.14
  4. Step 4: Simplify right side
    936,044.55x = 603,133,450,093.75
  5. Step 5: Solve for x
    x = 603,133,450,093.75/936,044.55
  6. Step 6: Final answer
    x = 644,342.68

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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.