Home / 670,547.60-1,004,509.20-403,514.90

Finding the Fourth Proportional to 670,547.60, 1,004,509.20 and 403,514.90

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Solution

The fourth proportional to 670,547.60, 1,004,509.20 and 403,514.90 is: 604,482.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,547.60 : 1,004,509.20 = 403,514.90 : x
  2. Step 2: Convert to fraction form
    670,547.60/1,004,509.20 = 403,514.90/x
  3. Step 3: Cross multiply
    670,547.60x = 1,004,509.20 × 403,514.90
  4. Step 4: Simplify right side
    670,547.60x = 405,334,429,387.08
  5. Step 5: Solve for x
    x = 405,334,429,387.08/670,547.60
  6. Step 6: Final answer
    x = 604,482.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.