Home / 761,358.94-1,050,675.20-455,448.22

Finding the Fourth Proportional to 761,358.94, 1,050,675.20 and 455,448.22

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Solution

The fourth proportional to 761,358.94, 1,050,675.20 and 455,448.22 is: 628,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,358.94 : 1,050,675.20 = 455,448.22 : x
  2. Step 2: Convert to fraction form
    761,358.94/1,050,675.20 = 455,448.22/x
  3. Step 3: Cross multiply
    761,358.94x = 1,050,675.20 × 455,448.22
  4. Step 4: Simplify right side
    761,358.94x = 478,528,146,442.15
  5. Step 5: Solve for x
    x = 478,528,146,442.15/761,358.94
  6. Step 6: Final answer
    x = 628,518.45

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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.