Home / 803,075.92-1,108,228.20-497,071.12

Finding the Fourth Proportional to 803,075.92, 1,108,228.20 and 497,071.12

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Solution

The fourth proportional to 803,075.92, 1,108,228.20 and 497,071.12 is: 685,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,075.92 : 1,108,228.20 = 497,071.12 : x
  2. Step 2: Convert to fraction form
    803,075.92/1,108,228.20 = 497,071.12/x
  3. Step 3: Cross multiply
    803,075.92x = 1,108,228.20 × 497,071.12
  4. Step 4: Simplify right side
    803,075.92x = 550,868,232,589.58
  5. Step 5: Solve for x
    x = 550,868,232,589.58/803,075.92
  6. Step 6: Final answer
    x = 685,947.89

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Double scale
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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.