Home / 761,417.64-1,050,756.24-455,506.92

Finding the Fourth Proportional to 761,417.64, 1,050,756.24 and 455,506.92

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Solution

The fourth proportional to 761,417.64, 1,050,756.24 and 455,506.92 is: 628,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,417.64 : 1,050,756.24 = 455,506.92 : x
  2. Step 2: Convert to fraction form
    761,417.64/1,050,756.24 = 455,506.92/x
  3. Step 3: Cross multiply
    761,417.64x = 1,050,756.24 × 455,506.92
  4. Step 4: Simplify right side
    761,417.64x = 478,626,738,553.18
  5. Step 5: Solve for x
    x = 478,626,738,553.18/761,417.64
  6. Step 6: Final answer
    x = 628,599.49

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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.