Home / 824,159.86-1,137,325.55-456,635.65

Finding the Fourth Proportional to 824,159.86, 1,137,325.55 and 456,635.65

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Solution

The fourth proportional to 824,159.86, 1,137,325.55 and 456,635.65 is: 630,148.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,159.86 : 1,137,325.55 = 456,635.65 : x
  2. Step 2: Convert to fraction form
    824,159.86/1,137,325.55 = 456,635.65/x
  3. Step 3: Cross multiply
    824,159.86x = 1,137,325.55 × 456,635.65
  4. Step 4: Simplify right side
    824,159.86x = 519,343,391,531.45
  5. Step 5: Solve for x
    x = 519,343,391,531.45/824,159.86
  6. Step 6: Final answer
    x = 630,148.86

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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.