Home / 845,480.40-1,166,726.28-506,135.76

Finding the Fourth Proportional to 845,480.40, 1,166,726.28 and 506,135.76

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Solution

The fourth proportional to 845,480.40, 1,166,726.28 and 506,135.76 is: 698,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,480.40 : 1,166,726.28 = 506,135.76 : x
  2. Step 2: Convert to fraction form
    845,480.40/1,166,726.28 = 506,135.76/x
  3. Step 3: Cross multiply
    845,480.40x = 1,166,726.28 × 506,135.76
  4. Step 4: Simplify right side
    845,480.40x = 590,521,892,439.77
  5. Step 5: Solve for x
    x = 590,521,892,439.77/845,480.40
  6. Step 6: Final answer
    x = 698,445.40

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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.