Home / 747,437.19-1,031,448.93-407,907.87

Finding the Fourth Proportional to 747,437.19, 1,031,448.93 and 407,907.87

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Solution

The fourth proportional to 747,437.19, 1,031,448.93 and 407,907.87 is: 562,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,437.19 : 1,031,448.93 = 407,907.87 : x
  2. Step 2: Convert to fraction form
    747,437.19/1,031,448.93 = 407,907.87/x
  3. Step 3: Cross multiply
    747,437.19x = 1,031,448.93 × 407,907.87
  4. Step 4: Simplify right side
    747,437.19x = 420,736,136,050.08
  5. Step 5: Solve for x
    x = 420,736,136,050.08/747,437.19
  6. Step 6: Final answer
    x = 562,905.01

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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.