Home / 572,744.08-790,364.58-318,111.40

Finding the Fourth Proportional to 572,744.08, 790,364.58 and 318,111.40

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Solution

The fourth proportional to 572,744.08, 790,364.58 and 318,111.40 is: 438,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,744.08 : 790,364.58 = 318,111.40 : x
  2. Step 2: Convert to fraction form
    572,744.08/790,364.58 = 318,111.40/x
  3. Step 3: Cross multiply
    572,744.08x = 790,364.58 × 318,111.40
  4. Step 4: Simplify right side
    572,744.08x = 251,423,983,054.21
  5. Step 5: Solve for x
    x = 251,423,983,054.21/572,744.08
  6. Step 6: Final answer
    x = 438,981.37

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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.