Home / 804,973.20-1,208,237.40-490,045.20

Finding the Fourth Proportional to 804,973.20, 1,208,237.40 and 490,045.20

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Solution

The fourth proportional to 804,973.20, 1,208,237.40 and 490,045.20 is: 735,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,973.20 : 1,208,237.40 = 490,045.20 : x
  2. Step 2: Convert to fraction form
    804,973.20/1,208,237.40 = 490,045.20/x
  3. Step 3: Cross multiply
    804,973.20x = 1,208,237.40 × 490,045.20
  4. Step 4: Simplify right side
    804,973.20x = 592,090,938,330.48
  5. Step 5: Solve for x
    x = 592,090,938,330.48/804,973.20
  6. Step 6: Final answer
    x = 735,541.18

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1.5x scale

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.