Home / 740,556.10-1,021,970.55-401,024.62

Finding the Fourth Proportional to 740,556.10, 1,021,970.55 and 401,024.62

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Solution

The fourth proportional to 740,556.10, 1,021,970.55 and 401,024.62 is: 553,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,556.10 : 1,021,970.55 = 401,024.62 : x
  2. Step 2: Convert to fraction form
    740,556.10/1,021,970.55 = 401,024.62/x
  3. Step 3: Cross multiply
    740,556.10x = 1,021,970.55 × 401,024.62
  4. Step 4: Simplify right side
    740,556.10x = 409,835,351,464.94
  5. Step 5: Solve for x
    x = 409,835,351,464.94/740,556.10
  6. Step 6: Final answer
    x = 553,415.67

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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.