Home / 631,421.10-946,475.55-346,673.70

Finding the Fourth Proportional to 631,421.10, 946,475.55 and 346,673.70

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Solution

The fourth proportional to 631,421.10, 946,475.55 and 346,673.70 is: 519,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,421.10 : 946,475.55 = 346,673.70 : x
  2. Step 2: Convert to fraction form
    631,421.10/946,475.55 = 346,673.70/x
  3. Step 3: Cross multiply
    631,421.10x = 946,475.55 × 346,673.70
  4. Step 4: Simplify right side
    631,421.10x = 328,118,180,878.04
  5. Step 5: Solve for x
    x = 328,118,180,878.04/631,421.10
  6. Step 6: Final answer
    x = 519,650.33

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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.