Home / 885,492.84-1,221,980.34-503,543.04

Finding the Fourth Proportional to 885,492.84, 1,221,980.34 and 503,543.04

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Solution

The fourth proportional to 885,492.84, 1,221,980.34 and 503,543.04 is: 694,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,492.84 : 1,221,980.34 = 503,543.04 : x
  2. Step 2: Convert to fraction form
    885,492.84/1,221,980.34 = 503,543.04/x
  3. Step 3: Cross multiply
    885,492.84x = 1,221,980.34 × 503,543.04
  4. Step 4: Simplify right side
    885,492.84x = 615,319,695,223.83
  5. Step 5: Solve for x
    x = 615,319,695,223.83/885,492.84
  6. Step 6: Final answer
    x = 694,889.52

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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.