Home / 705,890.04-1,059,032.72-285,461.16

Finding the Fourth Proportional to 705,890.04, 1,059,032.72 and 285,461.16

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Solution

The fourth proportional to 705,890.04, 1,059,032.72 and 285,461.16 is: 428,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,890.04 : 1,059,032.72 = 285,461.16 : x
  2. Step 2: Convert to fraction form
    705,890.04/1,059,032.72 = 285,461.16/x
  3. Step 3: Cross multiply
    705,890.04x = 1,059,032.72 × 285,461.16
  4. Step 4: Simplify right side
    705,890.04x = 302,312,708,729.16
  5. Step 5: Solve for x
    x = 302,312,708,729.16/705,890.04
  6. Step 6: Final answer
    x = 428,271.67

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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.