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Finding the Fourth Proportional to 503,779.08, 695,186.10 and 302,536.20

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Solution

The fourth proportional to 503,779.08, 695,186.10 and 302,536.20 is: 417,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,779.08 : 695,186.10 = 302,536.20 : x
  2. Step 2: Convert to fraction form
    503,779.08/695,186.10 = 302,536.20/x
  3. Step 3: Cross multiply
    503,779.08x = 695,186.10 × 302,536.20
  4. Step 4: Simplify right side
    503,779.08x = 210,318,960,986.82
  5. Step 5: Solve for x
    x = 210,318,960,986.82/503,779.08
  6. Step 6: Final answer
    x = 417,482.52

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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.