Home / 761,607.48-1,051,029.80-417,440.70

Finding the Fourth Proportional to 761,607.48, 1,051,029.80 and 417,440.70

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Solution

The fourth proportional to 761,607.48, 1,051,029.80 and 417,440.70 is: 576,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,607.48 : 1,051,029.80 = 417,440.70 : x
  2. Step 2: Convert to fraction form
    761,607.48/1,051,029.80 = 417,440.70/x
  3. Step 3: Cross multiply
    761,607.48x = 1,051,029.80 × 417,440.70
  4. Step 4: Simplify right side
    761,607.48x = 438,742,615,432.86
  5. Step 5: Solve for x
    x = 438,742,615,432.86/761,607.48
  6. Step 6: Final answer
    x = 576,074.46

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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.