Home / 784,567.76-1,082,668.01-478,595.52

Finding the Fourth Proportional to 784,567.76, 1,082,668.01 and 478,595.52

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Solution

The fourth proportional to 784,567.76, 1,082,668.01 and 478,595.52 is: 660,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,567.76 : 1,082,668.01 = 478,595.52 : x
  2. Step 2: Convert to fraction form
    784,567.76/1,082,668.01 = 478,595.52/x
  3. Step 3: Cross multiply
    784,567.76x = 1,082,668.01 × 478,595.52
  4. Step 4: Simplify right side
    784,567.76x = 518,160,056,840.34
  5. Step 5: Solve for x
    x = 518,160,056,840.34/784,567.76
  6. Step 6: Final answer
    x = 660,440.16

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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.