Home / 673,459.90-929,533.74-387,146.08

Finding the Fourth Proportional to 673,459.90, 929,533.74 and 387,146.08

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Solution

The fourth proportional to 673,459.90, 929,533.74 and 387,146.08 is: 534,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,459.90 : 929,533.74 = 387,146.08 : x
  2. Step 2: Convert to fraction form
    673,459.90/929,533.74 = 387,146.08/x
  3. Step 3: Cross multiply
    673,459.90x = 929,533.74 × 387,146.08
  4. Step 4: Simplify right side
    673,459.90x = 359,865,343,668.74
  5. Step 5: Solve for x
    x = 359,865,343,668.74/673,459.90
  6. Step 6: Final answer
    x = 534,353.04

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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.