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Finding the Fourth Proportional to 575,347.08, 794,005.86 and 320,700.12

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Solution

The fourth proportional to 575,347.08, 794,005.86 and 320,700.12 is: 442,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,347.08 : 794,005.86 = 320,700.12 : x
  2. Step 2: Convert to fraction form
    575,347.08/794,005.86 = 320,700.12/x
  3. Step 3: Cross multiply
    575,347.08x = 794,005.86 × 320,700.12
  4. Step 4: Simplify right side
    575,347.08x = 254,637,774,582.70
  5. Step 5: Solve for x
    x = 254,637,774,582.70/575,347.08
  6. Step 6: Final answer
    x = 442,581.15

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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.