Home / 948,981.56-1,423,488.81-349,634.21

Finding the Fourth Proportional to 948,981.56, 1,423,488.81 and 349,634.21

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Solution

The fourth proportional to 948,981.56, 1,423,488.81 and 349,634.21 is: 524,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,981.56 : 1,423,488.81 = 349,634.21 : x
  2. Step 2: Convert to fraction form
    948,981.56/1,423,488.81 = 349,634.21/x
  3. Step 3: Cross multiply
    948,981.56x = 1,423,488.81 × 349,634.21
  4. Step 4: Simplify right side
    948,981.56x = 497,700,385,528.19
  5. Step 5: Solve for x
    x = 497,700,385,528.19/948,981.56
  6. Step 6: Final answer
    x = 524,457.38

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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.