Home / 758,425.86-1,046,627.10-418,894.20

Finding the Fourth Proportional to 758,425.86, 1,046,627.10 and 418,894.20

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Solution

The fourth proportional to 758,425.86, 1,046,627.10 and 418,894.20 is: 578,073.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,425.86 : 1,046,627.10 = 418,894.20 : x
  2. Step 2: Convert to fraction form
    758,425.86/1,046,627.10 = 418,894.20/x
  3. Step 3: Cross multiply
    758,425.86x = 1,046,627.10 × 418,894.20
  4. Step 4: Simplify right side
    758,425.86x = 438,426,021,752.82
  5. Step 5: Solve for x
    x = 438,426,021,752.82/758,425.86
  6. Step 6: Final answer
    x = 578,073.67

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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.