Home / 911,211.40-1,257,483.72-503,312.04

Finding the Fourth Proportional to 911,211.40, 1,257,483.72 and 503,312.04

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Solution

The fourth proportional to 911,211.40, 1,257,483.72 and 503,312.04 is: 694,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,211.40 : 1,257,483.72 = 503,312.04 : x
  2. Step 2: Convert to fraction form
    911,211.40/1,257,483.72 = 503,312.04/x
  3. Step 3: Cross multiply
    911,211.40x = 1,257,483.72 × 503,312.04
  4. Step 4: Simplify right side
    911,211.40x = 632,906,696,379.99
  5. Step 5: Solve for x
    x = 632,906,696,379.99/911,211.40
  6. Step 6: Final answer
    x = 694,577.24

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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.