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Finding the Fourth Proportional to 549,482.40, 824,223.60 and 390,050.10

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Solution

The fourth proportional to 549,482.40, 824,223.60 and 390,050.10 is: 585,075.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,482.40 : 824,223.60 = 390,050.10 : x
  2. Step 2: Convert to fraction form
    549,482.40/824,223.60 = 390,050.10/x
  3. Step 3: Cross multiply
    549,482.40x = 824,223.60 × 390,050.10
  4. Step 4: Simplify right side
    549,482.40x = 321,488,497,602.36
  5. Step 5: Solve for x
    x = 321,488,497,602.36/549,482.40
  6. Step 6: Final answer
    x = 585,075.15

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Similar ratio
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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.