Home / 653,979.15-902,483.10-367,547.76

Finding the Fourth Proportional to 653,979.15, 902,483.10 and 367,547.76

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Solution

The fourth proportional to 653,979.15, 902,483.10 and 367,547.76 is: 507,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,979.15 : 902,483.10 = 367,547.76 : x
  2. Step 2: Convert to fraction form
    653,979.15/902,483.10 = 367,547.76/x
  3. Step 3: Cross multiply
    653,979.15x = 902,483.10 × 367,547.76
  4. Step 4: Simplify right side
    653,979.15x = 331,705,641,842.86
  5. Step 5: Solve for x
    x = 331,705,641,842.86/653,979.15
  6. Step 6: Final answer
    x = 507,211.34

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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.