Home / 761,994.23-1,140,749.10-508,646.31

Finding the Fourth Proportional to 761,994.23, 1,140,749.10 and 508,646.31

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Solution

The fourth proportional to 761,994.23, 1,140,749.10 and 508,646.31 is: 761,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,994.23 : 1,140,749.10 = 508,646.31 : x
  2. Step 2: Convert to fraction form
    761,994.23/1,140,749.10 = 508,646.31/x
  3. Step 3: Cross multiply
    761,994.23x = 1,140,749.10 × 508,646.31
  4. Step 4: Simplify right side
    761,994.23x = 580,237,817,807.59
  5. Step 5: Solve for x
    x = 580,237,817,807.59/761,994.23
  6. Step 6: Final answer
    x = 761,472.72

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Double scale
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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.