Home / 875,448.90-1,208,681.76-549,209.20

Finding the Fourth Proportional to 875,448.90, 1,208,681.76 and 549,209.20

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Solution

The fourth proportional to 875,448.90, 1,208,681.76 and 549,209.20 is: 758,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,448.90 : 1,208,681.76 = 549,209.20 : x
  2. Step 2: Convert to fraction form
    875,448.90/1,208,681.76 = 549,209.20/x
  3. Step 3: Cross multiply
    875,448.90x = 1,208,681.76 × 549,209.20
  4. Step 4: Simplify right side
    875,448.90x = 663,819,142,464.19
  5. Step 5: Solve for x
    x = 663,819,142,464.19/875,448.90
  6. Step 6: Final answer
    x = 758,261.44

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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.