Home / 727,501.20-1,091,251.80-503,552.40

Finding the Fourth Proportional to 727,501.20, 1,091,251.80 and 503,552.40

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Solution

The fourth proportional to 727,501.20, 1,091,251.80 and 503,552.40 is: 755,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,501.20 : 1,091,251.80 = 503,552.40 : x
  2. Step 2: Convert to fraction form
    727,501.20/1,091,251.80 = 503,552.40/x
  3. Step 3: Cross multiply
    727,501.20x = 1,091,251.80 × 503,552.40
  4. Step 4: Simplify right side
    727,501.20x = 549,502,462,894.32
  5. Step 5: Solve for x
    x = 549,502,462,894.32/727,501.20
  6. Step 6: Final answer
    x = 755,328.60

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1.5x scale

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.