Home / 838,462.40-1,157,098.88-456,510.08

Finding the Fourth Proportional to 838,462.40, 1,157,098.88 and 456,510.08

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Solution

The fourth proportional to 838,462.40, 1,157,098.88 and 456,510.08 is: 629,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,462.40 : 1,157,098.88 = 456,510.08 : x
  2. Step 2: Convert to fraction form
    838,462.40/1,157,098.88 = 456,510.08/x
  3. Step 3: Cross multiply
    838,462.40x = 1,157,098.88 × 456,510.08
  4. Step 4: Simplify right side
    838,462.40x = 528,227,302,276.71
  5. Step 5: Solve for x
    x = 528,227,302,276.71/838,462.40
  6. Step 6: Final answer
    x = 629,995.22

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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.